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gm cylinder deactivation problems

Never did strand me on the side of the road way. Any guidance would surely be appreciated. Truck ran fine before that. Regarding the cylinder deactivation impact on fuel consumption . Can I (should I) also change to a standard volume oil pump? One the other hand, it came without AFM, VVT, or flex fuel capability. My 5.3 is. The biggest problem is nobody changes their oil on time. When we removed the oil pan from the new block, we noticed a metal shield covering the bottom of the block. If I were to put a 2006 5.3L in a 2007 Avalanche and buy the unit to plug into my OBD2 port would it work? it is the regulator guy! There are 5.3 cylinder deactivation problems that can occur. We recommend taking the truck to a local chassis dyno tuner and talking with them about a reflash. Given that, would you recommend buying one of the OBD-II devices to disable AFM? Hopefully he can free up the stuck/collapsed lifter. All ready done valve job . No problems with any to this point. It had the AFM wiring & lifter cover installed with solenoid pack in the original engine, we even removed it to inspect. I have an 2004 1500 Suburban 4WD that I am about to replace the motor in. GM offers the following diagnostic steps in determining if this is the problem. If so what would the vin code be? It has AMF. The only solution is to replace the entire cylinder head. You mentioned that it will shoot oil into the pan and on the cylinder walls possibly causing some oil consumption So i have a running vehicle and my only concern is making it as reliable as possible, should I disable the AFM or not?? After a stint in the U.S. Air Force, Brian Nutter studied at the Houston, TX-based School of Automotive Machinists in 1997. Or is the shuddering indicative of failed/failing lifters that need to be replaced before moving forward? What type of ODBII gadget did you use? I guess they also went to aluminum blocks in 2007, not sure if that has anything to do with this issues thanks for the advice! I recently bought a 2018 Silverado 5.3L with AFM. All these comments on the 5.3 are blowing my mind!!!. A lot more info with the ongoing GM 5.3l AFM engine issues on Cargurus. The Tundra fares better but the frame has the rigidity of wet spaghetti and the 5.7 has had problems with VVT solenoids and the plastic timing chain tensioners. Its a CA EMMISIONS TRUCK. There are so many moving components in an engine these days as opposed to the past. AFMengines use special lifters for cylinders 1, 4, 6, and 7. i currently get 8 mpg with the vortec 350 and a 4l60, I have a 99 Sub k1500 that i get 16 to 18 hwy loaded lightly, I get about 14 on my 95 Tahoe 2 door with 5.7 and 4l60. Thanks. Its job is to direct the flow of pressurized engine oil to the active fuel management intake and exhaust valve . Toyotas 5.7 is one of the biggest gas guzzlers among half-ton trucks. It is replaceable.. just remove oil pan and it will be on top at the filter. Im curious as to how much tran fluid you put in? how many miles do you have on your engine? I always have done my oil changes on time, not sure about the people who owned it before me though. Clean oil is crucial. I have a 12 with 4.8 Silverado 75000 miles [] cherry on top is that it isnt saddled with Variable Valve Timing (VVT) or Active Fuel Management (AFM) found on some Gen. 4 engines. I had the same issue and had to have the AFM information deleted from the computer and the car tuned. This is my second Avalanche and I never had any issues with either of them. The tune is the best bang for the buck outside a cam swap anyway and what Id recommend. Truck has an active P0300 code and runs very rough. I recently took a long trip and it burned 1.5 quarts of oil. Dave, I also have a 2008 LTZ avalanche with 106,000 I have the exact same symptoms at this point I just want to sell it will the disabler help remove the check engine light wont pass inspection with light on thanks for your help Chris. The result is improved combustion chamber pressure as the piston approaches top . Constant engine and transmission problems. Last GM Ill ever buy unless its got a diesel. While the system sounded good, the microprocessors scrambled to activate, deactivate, and then reactivate cylinders as driving conditions quickly changed, causing the car to hesitate, buck, and stall. As the problem gets worse, youll hear a lifter tick and eventually you may see clearance between the pushrod and the rocker which will quickly destroy the cam. Took it to a shop and they advised that it could be due to the AFM system not functioning properly. Dont follow just anybody I know where it originates but in todays world I found found it to be amusingly accurate. A problem with cylinder deactivation can be solved by tuning the intake and exhaust valves. But I can replace all of the other engine parts without doing the pistons and bearings so that is what I plan to do. I wouldnt trade my 2000 Silverado, 5.3 liter that has constantly gotten 20 mpg since I bought it 15 years ago, for a dozen of these new $50,000 POS. Its Chrysler and Ford. Would it be fine to go ahead with the AFM Disabler? GM should recall every vehicle with this terrible design flaw! I drive the same 320 mile trip every two weeks and drive the same route and full tank. Driving around with a bad AFM lifter is the fastest and easiest way to destroy an engine. My concern is if I leave the non-AFM lifter cover in place & have nothing to plug the 5 pin AFM solenoid connector into, will I get a MIL? Any problems to watch out for?Did you replace the VLOM? This new lawsuit is essentially identical to the previous. Yeh truck has 5237 miles on it I saw two Summit Racing kits, with different valley coverswhich one do I need for my Yukon? Thats not all bad because it saves the cost of an AFM delete kit. This reduces expense when you build it [], [] intake, and a cable-driven throttle body, plus Im also installing Trick Flows VVT and AFM delete kits. Hello Mike, if you dont have any obvious signs like check engine lights etc., there are couple different possibilities. I did and they diagnosed it as being on Cylinder 3, not one of the cylinders that deactivates. The car runs great apart from the shuddering at those speeds. Having it fixed now, just curious Seems like a problematic design. $8500.00 fix. My tech just installed the engine, only to notice that he doesnt have anything to plug the AFM solenoid pack into. It was in the late 70s or early 80s and it was a POS, Your memory serves you pretty well I too have the same nightmares lol. I have 1999 Silverado with out AFM that gets 21 mpg and a 2008 with it that gets 14.6. Verified over hundreds of trips, makes no sense. Will the plug in cause my truck to burn more oil or will it fix the oil consumption issue? If under the truck while parked and it is doing it it sounds like it is towards the back of motor. My point is that the engine likely on uses dod a small percentage of the time so can not really imagine that the delete causes any more issue than normal which may be the high oil consumption but do all of these engines with dod consume a lot of oil? I got the AMF disabler anyway and so far so good. No clue what to do. The Cylinder Deactivation system, known as the Active Fuel Management system by GM, shuts off some of the cylinders when extra power is not needed which improves fuel economy. Will this AFM DISABLER damage anything???. There is a chance the cam lobe was stressed and started to deteriorate. Most of the complaints show up in the 2009 to 2011 model years. How stupid do you have to be to whine like a welfare check cashing idiot when there are literally 3 or 4 different ways to totally disable AFM. What was happening to the first is slowly (or quickly in your case) happening to the others. I have no clue what to do now. Any thoughts or suggestions would be appreciated. [] Here is a guide on how to turn off AFM: https://www.onallcylinders.com/2017/11/30/how-to-delete-or-disable-active-fuel-management-afm-on-gm-… [], [] Guide to disabling AFM: https://www.onallcylinders.com/2017/11/30/how-to-delete-or-disable-active-fuel-management-afm-on-gm-… [], [] Here is an article on how to deactivate AFM. Ive only put a straight pipe exhaust, intake, and a boost controller on it. But yes ultimately, it might be time for a cam and any AFM lifters that werent replaced. Only thing I noticed with the oil consumption issue. . If you are using VVT, you could use the NAL-12612273 (L92) cam. Side note, after 200 hundred miles of trouble free driving the transmission failed so we had to replace that too. It has has 9000 miles and no lifter or other issues or codes so far. The detergent. This system is the most effective way to disable AFM. Active Fuel Management (formerly known as displacement on demand (DoD)) is a trademarked name for the automobile variable displacement technology from General Motors.It allows a V6 or V8 engine to "turn off" half of the cylinders under light-load conditions to improve fuel economy.Estimated performance on EPA tests shows a 5.5-7.5% improvement in fuel economy. Does the disabler prevent the engine damage in the first place? One must anticipate this. With that said, the current global chip shortage has been affecting the industry on a wide scale, forcing production halt among several automakers. Service manager said nothing else needs to be replaced because the engine has a Teflon coating. Replacing engine due to issues caused by AFM. Mine did at the exact same time. . Dale, I have a 08 Tahoe thats doing the same thing.Any info you have on this would be appreciated, [] Do they have a downside? I called my service station and they told me to get it in ASAP. Thank you for your time. Ive read at many websites that the GMCs envoys, Chevys and saabs did start to come with AFM in 2005 with the LH6 motor,It says here it started in 2006 on the saabs, then the pick-ups got AFM in 2007. What would you do if you were in my situation? They shift cam lobes by sliding the cam, never actually shutting down the value but riding a different lube! Vortec 5300s featuring LH6 and LC9 engines are prone to failing spark plugs due to carbon build-up. 2 15 with 5.3 Sierras both with 100k and Double digit MPGs in my 98 K1500 would be a dream lmao. The collapsed lifters will not engage the pushrods and both valves remain closed. You will be placed in derate if the ECM does not see the correct resistance from the ATF intake. Gary, [] 3 engines didnt have AFM (Active Fuel Management) or VVT (Variable Valve Timing), so you dont have the expense of an AFM or VVT delete []. Now it appears GM and their handlers want to push the electric market with throw away junk that is mechanically weak . I have a shop 39 yrs . Brian, thank you for the quick response. Afaik the 6.0 escalade hybrid does have it so wondering if safe to delete. But it also restricts passages that the oil runs through. Hello! The vehicles affected were 2007 to Feb. 2011 AFM equipped engines (Aluminum or Iron block-L94, LZ1, L99, LC9, LH6, L76, LFA, LMG, and LY5). The LFA was upgraded with AFM and [], [] improvement over AFM, DFM has 17 different cylinder firing patterns and switches seamlessly between them to provide just []. My ignition lock cylinder is completely stuck in lock position with the steering wheel locked as well. Stopped at nearest gas station and found I was a quart low on oiladded oil and lights eventually went off and luckily we made it the 5 hour drive home. I have been assuming this is just a slow to pump-up lifter or lifters. On June 4th you stated The vehicles affected were 2007 to Feb. 2011 AFM equipped engines (Aluminum or Iron block-L94, LZ1, L99, LC9, LH6, L76, LFA, LMG, and LY5) I am looking at purchasing a 2012 Tahoe with the LMG per the build sheet. Pulled the inntake and replaced valleypan With all the solenoids. If you ignore it and keep driving, odds are you will destroy the cam as well. How do you know if the lifter has failed? Is the Pressure relief valve replaceable? I got a 09 Chevy Ive had the 1 go out then the 7 about 2 weeks apart if I known what I know now I wouldve changed them all at once but now I have a misfire on cyl 4 but it came back in why are these lifters going out one at a time like this the 1st two that went out I was coming off the interstate an stabiltrack came on now the 4 misfired twice both times pullling out my driveway. the body is in great shape. I cant stand seeing customers continuously going thousands of miles over on the oil and wonder why theres problems. Seems like the AFM disabler device is working for a number of people including myself as the 5.3l AFM engine has inherent design faults. Toyota has their own problems. Have an 06 Yukon with 5.3, original engine had bad knock, was told it was lifters so had them replaced. This is my project car and will be my drive (about 5000 miles a year). Why cant u just unplug the solenoid on back of engine by oil pressure sensor? General motors sent out a service bulletins to their dealers however, all dealers will not tell you about the bulletin. If possible, will simply not using VVT provide a powerful,good running engine? Where can I buy a bolt to replace this relief valve ?? The L76 is an adapted version of the LS2, featuring new rectangle port cylinder heads and Active Fuel Management (AFM). Per bulletin 10-06-01-0007b, 2007 L92 had first and 2nd design. There may be an ignition related issue on that cylinder. WATCH THIS VIDEO https://youtu.be/1MJMf3nnQhQ. I bought a 2022 GMC Sierra 1500 with 5.3L, X31 off road package a year ago. Solenoids, new lifters also test voltage to solenoid pack all good their, Does anyone know how to disable the new Dynamic Fuel Management on the 2019 Silverados? This may show as low oil pressure or code P0521 or P0523 and is a relatively inexpensive fix as well. a little burning oil is a minor thing, my main concern is avoiding a multi-thousand dollar repair needed to the motor. Dummy Me thought gm learned its lesson in 1981 but they never did and I Too am stuck with a Buick thats just waiting to self destruct. Below youll see references to the L99 as a result. TheAFMcylinders are opposite of one another in the firing order. According to some experts, switching to cylinder deactivation reduces the emissions high somewhere between 4 and 10%, which is a huge percentage of saving the air from pollution. I asume low oil pressure cant make some of the DOD lifters to malfunction? Any help would be appreciated. Looking for another Toyota at this point to match my 1985 4 runner with 380.000 miles and no issues since new. NOTE: A disabler device should ONLY be used if the valvetrain is in good working order. With 40000 Then had to drive the truck back to Tampa from Cheifland Fl. I can literally drive from Seattle to Redding CA on one tank. On the caddis it helped to relocate the computer inboard the passenger compartment to keep them cool helped . Should I wait until the warranty runs out, or will that be too late to stop possible damage? Remembered that after I bought my Tahoe. All the time. https://www.cargurus.com/Cars/Discussion-t30884_ds822284. Also, it is the easiest way [], [] for the 2010 Chevy Camaro SSis also a Gen IV 6.2L aluminum-block V8, but with the addition of Active Fuel Management and Variable Valve Timing. All eight cylinders are now powering the engine. The wife however found this deal on an Envoy Denali . 50,000 miles. put tran fluid in oil for a day till lifter became active, had to change the fouled plug. 2 15 with 5.3 Sierras both with 100k and Their tech guys have seen it all and may have some thoughts on this as well. If you left the original cam in, the AFM cylinders will be down about 25 lbs. Dod is the biggest failure sence the 8-6-4 caddie in 1981. The cost of just rings $4,000.00, [] Disable your Chevy AFM: https://www.onallcylinders.com/2017/11/30/how-to-delete-or-disable-active-fuel-management-afm-on-gm-… [], [] like front timing cover, knock sensor location, cylinder head style (cathedral ports), AFM (Active Fuel Management), and other components are key clues to which engine family youre looking []. There has been a lifter noise since I bought the truck 1 year ago. Would you get enough power to drive at freeway speeds? Why have you not gotten a reply from Mr Nutter, Buying a Silverado 6.2L. Well, they move a couple of times after startup thats all.Asume its the same on syl 7 on the other side.Disconected the Connector to the solenoids, no difference. The 2016+ Tacomas are junk. 190k on the motor always ran AMSOIL full synth since new. You could also have tried that if the trans oil didnt work. Have there been improvements in more recent model years employing AFM [2014 or newer]? So bad theyve been rated least reliable midsized truck by consumer reports for 3 years in a row. Id try the disabler and the screen cleaning first and do the AFM delete if that doesnt solve the problem. As it turned out one of the cam bearings was failing and causing the cam to wobble (my guess) which messed up the AFM and probably some other stuff too. 2011 Chevy Avalanche LTZ. Unfortunately because of emission standards nowadays, manufacturers cant go back to those style of engines. of cranking pressure because the duration is longer on those cylinders to being with to offset the AFM lifter design. The trucks are only supposed to use two four. I have also heard that the oil pump is to be changed and I have also heard that it does not matter. Plus the 5.7 has its own problems with VVT reliability and the rest of the truck is flimsy junk. The service manager that I spoke with said, GM states if 2 qts of oil is used between oil changes the engine needs rebuild. Keeping the oil changes regular is important and its possible that a previous owner may not have been as diligent as you are. As long as a lifter hasnt started to fail, you can get by with a less-expensive disabler as preventative maintenance. Question i just bought a 2005 Saab 9-7 with 5.3 v8, (same as GMC envoy) which came with AFM, the car runs fine, so if i just install the OBDII electronic device, is it just as likely that my lifters will still go bad? module (ECM) will command the cylinder deactivation system ON to deactivate engine cylinders1, 7, 6, and 4, switching to a V4mode. Installed them again, all facing upwards, will know tomorrow if that was the solution.If this is the cause i cant beleve why they arnt build so that it is impossible to install them the wrong way in the plastic holder.And altso that there was no warning or installation advice With the New lifters.If these are the only lifters in the Whole world that must be in As we were installing the sensors prior to installation in the vehicle, we noticed that there was no fitting on the oil pan for the oil level sensor. (Non-AFM engines have a smooth cover.). You are correct. Did not help. I recently bought a low mileage 2013 Silverado and the lifters collapsed. AFM - active fuel management strategy which deactivates the lifters on specific . I have an 07 Yukon with 230k on the engine. Did Obama make them do this? Does the Pressure relief vavle ever go bad?? lol. One alternative is to swap in one of the larger 6.0 non-AFM truck cams. Keith, sometimes they will only replace one lifter rather than the whole setIf thats the case, another lifter can fail again pretty quickly. On one hand it has an aluminum block, which is nice. [] for performance, LS9 engines didnt use Active Fuel Management (AFM), Variable Valve Timing (VVT), or Flex Fuel (E-85) technology. You can unplug the sensor on the vacuum booster and it will fool the computer into thinking there is a high demand on the engine and shut down the AFM system but you will have a Check engine light in your face for doing so . Install an AFM Delete Kit Then I guess I have to spend a bunch of money and get the delete kit. Unplugged AFM engine only runs on 4 cylinders #2,3,5 and 8. Hi Brian, is it still working good since you have done that with the trans fluid? I have no other engine problems and Id like to fix the issue. It uses a M14 x 1.5 thread plug like Dorman 65217. Now i have my mechanic trying to follow a YouTube video I saw with a guy and a rod and a hammer. .or something similar . Look for the following: TheAFMcover is called the Lifter Oil Manifold Assembly (LOMA). At this state, a disabler would probably do what you need it to do. The engine will normally operate on 8 cylinders in V8 mode during starting, idling, and medium or . Brian, I have a 2010 burb with the exact same symptoms and questions as Shawn please help! I cant really tell from driving. Just recently, GM announced a temporary closure. Teflon coatings does not last. I switched from gm to dodge in 1984, have had 3 1st gen Durango and 4 2nd gen Dakotas, all used, with impeccable reliability. Get this, rebuild is only rings and maybe lifters. We did take it apart to check for metal possibly being trapped inside, it looked like brand new. Corvette that does employ AFM. I went with the new motor for the warranty. The Jury is still out on the Gen. 5s but the warranty could be an issue. I will keep reading and take notes. I know I felt the same way. . Hello Brian, I just purchased a 2018 Silverado with a 5.3 AFM engine, I have 200 km on it. [] they have a downside? I have seen more internal engine failures in the last 5 years or so than I have in the first 15 years in the business. I have an 07 Silverado 1500 ltz. All Cylinders. Your email address will not be published. I pulled the head off, replaced the lifter and put the gadget in the ODBII for about $400 total. Both #6 lifters only move when turning engine by hand, if you use the starter they stop moving. Hello. Had similar problems under warranty, no telling what they rigged me up with at the dealer. another common cause for low OP is the oil pick up tube O ring. Some guys have been able to use a tool through the top with the cover off to get it to release. I will be installing the AFM deactivator tonight when I get hoe. While it does still use the GM Active Fuel Management cylinder deactivation technology that caused a plethora of issues on the gen-four Vortec 5300 engines, it seems that GM has solved the issues related to excessive oil consumption. Brian, I repaired a 2012 GMC Yukon Denali as the AFM lifter on #4 I take failed. Any advice that you could offer would be great. All Gen IV engine blocks haveAFMtowers and oil passages cast in. .That was a year ago and now I have a collapsed lifter and the most inexpensive repair $2200.00 for a partial lifter replacement. The engine is running on only four cylinders. After taking a $3.6h bath on the lifter/valve work and doing a little research, how can GM allow a problem like this AFM continue from 07 to present? The secondary pressure relief in the back of the pan began to open at 55 psi and was completely open by 75 psi. Since no air can get in or out, four cylinders provide no power. If the lifter actually fails so that the mechanism wont release, it wont work. I have successfully used a gadget that plugs into the ODBII. He used seafoam and changed to synthetic oil. The motor I pulled was a 2007 LY5 with about 77k on it. If you dont have VVT, you could use part number NAL-12561721 (LQ9) along with a 4-pole 3-bolt 2005 Corvette cam sprocket p/n NAL-12586481 to make it compatible with your ECM. I am trying to find out of this is true. They layed over night in engine oil before instalation. 1. Im crossing my fingers it does the trick! I am hoping this does the trick. When I first bought my newer truck with fuel management, the GM tech at the dealership told me; if I wanted the engine to live a long life keep the RPMs below 4500. Now you tell me AFM works and I will tell you; that you are full of shit! I have 217,000+ on it and it never fails meever! Will the plug in deactivater fix the oil consumption or will it cause more consumption? Have a lifter problem on my 2010 5.3 Silverado. I am having that done today on my 08 Suburban and its only costing me $225. Ive been reading, with disgust and concern of the lifter/cam situation. Would doing the disabler option once I get it back be the right one? It was good for about 10 miles and started with same loud knock noise. The original version sprayed oil on the cylinder walls and increased oil consumption. Next day, fired it up to take the the junk yard and it ran great. . Found that all passenger side cylinders are not firing. The LZ1 was upgraded with AFM and []. 1981 Cadillac V 864. My question on a 2007 Chevy Tahoe 5.3 AFM They learned that the oil level sensor was necessary and that we were supposed to have been advised that we needed to reuse the original oil pan. Please report back if you have any issues, but I think you are in good shape. In the mean-time I found that you can keep the engine from going into 4 cyl mode by using the manual shift (if so equipped) and keeping it out of 6th gear. They are being forced by the feds to use stuff like AFM to meet the CAFE requirements. Chris, when you did your delete, did you also change the cam at the same time? When you don't need the full power of the engine, it provides better fuel economy." The only problem is the extra spray on the cylinder models if a deflector isnt used and this can show up as increased oil consumption. Seems my oil pressure sensor is bad, are showing the same oil pressure at all times, even when it dosnt run.Dont know it that fault was there before i replaced the lifters. I also notice that it doesnt go into V4 when it is cold. Cylinders two, three, and eight are all similar in cylinder deactivation. This will spray oil on the bottom of the cylinder walls which can cause oil burning, especially in high-rpm engines. However, they are only functional on engines that usedAFM. If AFM has been deleted, its common just to use a Dorman drain plug (m14 x 1.5) to remove the pressure relief valve entirely. . Just pulled it down in the garage there was no other damage , luckily. Glad I did. 91 GMC Sierra K1500 F44 6.2 NA Plow truck with 7.5ft Leo Plow 94 K3500 CC DRW 6.5TD DE exhaust . I am trying to prevent same issue. A lot of drivers reported losing 2-4 quarts of oil in between oil changes. I did noticed the oil consumption but it was rare that I would have to add oil. Dont want to make a move on a new truck or jump to a 2500 yet. GM's Active Fuel Management (AFM) works under certain light load driving conditions to maximize fuel economy by deactivating 4 of the engines 8 cylinders. Engine oil pressure is fine. They should let us the better mileage. Every one of these engine will have a lifter fail, this is a travesty! I service plenty of these vehicles with AFM, and the ones I have to open up the engine for repair because of a failure doesnt surprise me anymore. If you swapped in a LS9 cam, you will find it makes good power at the very top, but its actually down from 5,000 rpm and lower where the truck spends the majority of its time. Change your oil. If I put the Range module on, is that all I need to do, both now and long term? I phoned the dealer and gave the VIN number, told it isnt equipped with AFM. The Service Traction Control and Check Engine lights also came on again but went out after a few minutes. I had to replace them all and the camshaft as well. Happened once 1yr ago, truck was not used for a week and worked fine when i started it back up. We figured we already had the intake manifold off to install the engine, why run the risk of MIL only to have to removed the intake manifold again without being paid. No it runs fine on sylinder one but not on 6 or 7!!! Thank you. [], [] LS Tech: How to Delete VVT or DisableAFM []. New plugs and wires. Battery was unplugged for a week.. This lowers the cost of building it [], [] aluminum block engine. I am not in a position to have a new cam and lifters installed but Im also not in a position to not having a running truck! A new class-action lawsuit has been filed against General Motors over alleged issues with its Generation IV 5.3L Vortec V8 engines. Just one. I contacted service manager in Gastonia, NC and he was kind enough to tell me the whole history of the problem.. EPA required better fuel mileage and less emissions and GM, Ford and Honda(V-6) came up with this failed AFM system. If doing that, the full blown AFM delete is about $1000 depending on how far you go (full overhaul or cam with lifters only). They are taller and have special oil holes. It actavated the lifter? Number 7 cylinder lifters stops moving when truck starts. I have always loved Ford and Chevys , I dont like this Vehicle not one bit, starring shaft has to be lubed or it whines, front A arms has done been replaced, tapping in motor, leaf springs has been lubed, retorqued, put completely new leaf springs back in on the rear , grease all down from rims to body of truck, you have to clean often,console shakes as if milk shakes in console which later they also put rubber bushings in front of coils of shocks ( front end) .You lock it down in 44 it s metal to metal , As of now Im at 32,000 done gone threw all the arbitrator laws depending on how it goes?

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