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We were ALL wrong in the diagnosis. The problem was NOT caused by the transmission nor by the driveshaft. I finally was able to repeatedly demonstrate the problem to my dealer's technician. I even got him to drive the truck and duplicate it himself. They then were able to trace the problem and...

Well, it looks like my problem is not a downshift clunk after all. I drove the truck last night and while slowing down, I gradually shifted manually all the way down to 1st gear. Then while going around 5 mph I applied the brakes for a normal stop and the clunk is STILL there. I was able to...

Sorry I missed this earlier. They wanted $2,850 for a new 24 month/24,000 mile contract but they would only go with $100 deductible and they would cancel my existing contract which has a $0 deductible. Additionally, the refund for the unused portion of the existing contract they were going to...

Me too. I've had one for about a month now and have no problems so far.

Twenty years ago, I would have and I did, but now I have no need for a Camaro. Although my sons would love a new Camaro. :)

I just found the best way for me to grease my truck. I took it to my GMC dealer for some warranty work and while there, I asked the writeup tech how much would he charge me if I supplied the oil and filter. He said $9.50 and I supplied 10 quarts of Mobil 1 Turbo Diesel Truck from WalMart and...

I finally got a chance to take my truck in to the GMC dealer this morning, along with a copy of the TSB that stacks04 posted. For the first 3 miles or so after leaving home, the problem was there, but by the time I got to the dealer, 10 miles later, the powertrain had warmed up and it was not...

OK, I can see how the TCM might rely on engine temperature to controls shifting, but how is the ABS tied into this? Why does the hard downshift and the ABS act up simultaneously just before the truck comes to a complete stop? I'm only going about 1 or 2 mph when this happens. Why is it that...

Thanks, I really appreciate it! This is quite interesting, because during the times when I get this downshift "clunk" I also get pulsation from the brake pedal. That's what originally lead me to think that my problem was the brakes. In reality it is BOTH. :???: I'm going to try to take it in...

Yeah, if you can find it for me, it will really be helpful. Thanks. This is really pissing me off, now that the extended warranty gets close to expiring, I start having problems. :( On another note, does anyone know where I can buy another GM extended warranty contract without having to...

I have a 2006 GMC LBZ with the Allison 6-speed transmission. The truck has been serviced by me religiously approximately every 7500 miles, the Allison external oil filter was replaced every time and about a 1/2 pint of Dexron VI was added to replace what was lost in the external filter. This...

Don't hold your breath. At this time GM has no plans for reviving this engine.

Oh! OK. We've had it that way ever since our seatbelt law was first passed.

What is the new seatbelt law for pickups in Georgia?

Obviously, tire size makes a difference too. From the GoodYear Tire Chart . . . . . . . .. . . . . 65 psi . . . . . . 80 psi LT215/75R-15 -- 2,095 lbs (D) LT235/75R-15 -- 2,335 lbs (D) -- 2,755 lbs (E) And if you have the ability to go to a 16 inch tire and wheel and have room inside the...

Trailer tires are restricted to lower speeds and their durability SUCKS. I would prefer LT rated tires if at all possible, preferably D or E rated. I have been told by several tire experts that LT tires are fine for trailers, so that's what I look for if I have a choice and can find the...

No. Ever since tire pressure monitors became mandatory by Federal Law, there is no way for the customer to change the tire pressure settings. --Government Regulations - Big Brother protecting us from ourselves. :( Most dealers will not change the settings for the same reason, but it CAN be...

That is EXCELLENT! :thumbsup: Looks like mine still has a whole lot of life left in it. I just turned exactly 63,000 miles as I pulled into my driveway last night. :D

No vacations for me.

I have had excellent luck with Craftsman tools. Never had any problem with any of my torque wrenches. I've only broken a couple of sockets, some screwdrivers and one 1/2" Flex Handle. All were replaced at the nearest Sears store, no questions asked. Snap-On tools are more expensive and you...