With the vehicle completely stopped and my foot firmly on the brake, I will shift either into or out of Reverse and the clunking sound is made. If the noise is really coming from the transfer case and not the tranny, seems like there should be some symptom there too. Here are some of the common issues complained about. I've heard other people talk about this as well, can't remember the exact solution though. The transfer case controls whether you are in four-wheel drive or in two-wheel drive, so it's important to make sure it's maintained properly. At some point, something will go wrong.
Think of it being the same as how much you would tighten the engine oil drain plug. There is a definite and slightly loud clunk only when going in and out of reverse. With the vehicle completely stopped and my foot firmly on the brake, I will shift either into or out of Reverse and the clunking sound is made. If applicable, install the transfer case shield and torque the fasteners to 15 foot-pounds. Step 2 — Drain fluid Before getting too far into it, you need to figure out whether or not you can fit under your truck. Using a ratchet and socket, remove the transfer case fill -- upper -- plug first, and then the drain plug. The truck was going in for a recall in the steerinng pump.
The transfer case did have a small hole in it. Maybe it's the play in one of the u-joints? I also drove a short distance in all three. Have you tried to grease the carrier barrier for the drive shaft? There is a definite and slightly loud clunk only when going in and out of reverse. I have been talking to gm about the problem they are tring to decide if the transfer case failure is there fault or if the truck has been beat on. Want to make it last? They all made the normal metal-to-metal engagement sound. Give the fluid time to drain completely from the transfer case. This article applies to the Chevrolet Silverado 1500 2014-present.
If you have a torque wrench you can torque it to 15 ft-lbs. Want to make it last? Until I could afford to have the transfer case fixed. I have patched hole three times and still wears through. At some point, something will go wrong. Using a foot-pound torque wrench and socket, tighten the drain plug to 13 foot-pounds. I think someone mentioned that this is where the clunk was coming from here or another forum. You might consider draining at least a little fluid and checking for metal, don't forget to fill it back up.
Loctite applied to drain plug. Fluid pump tube inserted in the fill hole. Maybe it's the play in one of the u-joints? Mixing the fasteners or using non-approved locking or sealing compounds can lead to fastener damage and failure. On a lift at my mechanic, it appears to be coming from the transfer case. Apply a coat of sealant to the threads of the drain plug and install it in the transfer case.
You mentioned evidence of a slow seepage. If you're sure it's the transfer case, but it operates normally, I'd probably try to live with it for a while to see if the symptoms change, then take it to a different mechanic. The driveshaft going towards the rear of the truck powers the rear axle, and the driveshaft going to the front powers the front axle. Drain plug removed and fluid draining out. So I asked the dealer to check where the leak was coming from. This article applies to the Chevrolet Silverado 1500 2014-present. Well, i took a look at it when it was up on the lift running and did not see or hear a shield rattle.
With my friends foot firmly on the brake, he shifted both in and out of reverse as I lay under the case. With my friends foot firmly on the brake, he shifted both in and out of reverse as I lay under the case. Ensure that the plugs and fasteners go back into their original holes, and use only the factory-authorized thread sealant. It was either that or dropping the drive shaft and greasing up the slip yoke for where the drive shaft connects to the t-case. Apply a coat of sealant to the threads of the fill plug and install it in the transfer case fill hole, then torque it to 13 foot-pounds. I noticed this prior to the end of the warranty period but just forgot about taking it in for warranty service as I just stopped using the auto four wheel feature.
Maybe I just never noticed it cause I usually have the stereo up but mine clunks going in and out of reverse too. This is in case you can't get the fill plug out. The more you can do on the outside the more comfortable you'll be while doing it. Definitely isn't the slip yoke. The factory advises that you use caution when installing and tightening not only the drain and fill plugs on the case, but also the fasteners that mount the transfer case shield.
I am really upset that Chevrolet's do not last more then 5 years. If so, then it might be time to replace the power steering pump. I have only used the 4wd one time in the last 9 months that I have owned the truck the people that had it before me took really good care of the truck. If so, then it might be time to replace the power steering pump. Wipe any spilled fluid from the transfer case with your shop rag. Please keep us posted on what you find out.