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2011 tahoe and after the truck sits for 3 days the battery voltage drops to 11.7. I tis cold outside right now though. New battery 12-20-23 and tests good with an Ancel tester. This truck is new to me and the volt meter does go way down while driving sometimes, but i am told this is normal...

Had a question about the active fuel managment on GM trucks and cars. Getting ready to change the oil in a new to me 11 Tahoe 5.3. I have read that using a heavier grade oil like 10w40 may make this afm lifters last longer. Is there any truth behind it ?

Getting ready to change the oils in my new used 2011 Tahoe the the 4x4. Transfer case NQH Gonna use BG Ultra Guard full synthetic gear oils in the front and rear diffs. The transfer case calls for Dex 6, but the local Chevy dealer uses BG Syncro Shift II full synthetic tranfer case lube. Dealer...

I have a 2000 pontiac bonneville and the right rear strut tower is rusted out. Anyone know of any repair for this or is the car junk ? I got a new trans, tires ,brakes and alot of other new parts on this thing. HELP !

Any benefit to adding Lube Guard to a perfectly good trans ? And if you did , what one of their products would you use and why ?

Getting ready to change the trans fluid in my 4L60E trans and wondering what everyone recommends for the new fluid. Been running Mobil 1 Dex 3 in it for a long time ,just not many miles on it. Been thinking of running the Dex 6 from the dealer.

I have a 2000 Pontiac Bonneville that needs a mode actuator motor. This is not the blend door motor , this is the motor that controls the vent positions. Anyone ever done one on this car ? Looks really tight to get to. Any tricks or advice before i start ripping the dash and duct work out ...

Has anyone used this stuff ? Any good.

Brother has a built 580 HP LS3 and is being told to run green antifreeze in it. Going in a 67 Camaro. Opinions on this ? I would run the red, just because. THANKS !

My brother has a Hughs built 4L60E going behind a 580 hp LS3 in a 67 Camaro. The question is what type of trans fluid to install in it. Someone told him Dex 3, but i would use Dex 6 just because i believe it's a much better fluid. What do you guys think ?

I have a 78 Trans Am with front disc and rear drum brakes i have having trouble with. The car has been sitting for 12 years and i installed new front calipers and lines, rear wheel cylinders and lines and all hardware has been replaced. They all bled out good. The problem is as soon as i start...

My son just bought a 05 f-150 and the trans line is leaking at the rubber line where they are crimped together. Only about 5 inch"s of rubber line there. My question is why can't i just cut these lines and put a bubble flare on them and use a rubber line with clamps ? The steel lines are in good...

Had a question for everyone. I bought a 78 trans am in 1978 and drove it for 24 years and gave it to my oldest son when he was 18, he's 36 now. He has just given it to my youngest son and it's been sitting for 12 years in his garage. 84,000 miles on it and it's all stock. My question is should...

I have a 99 suburban and it's the 98 and older body style. The problem i am having is the fuel gauge is fluttering. It moves really fast, so fast it looks like a blur. A small amount, but it is a painfull to watch. I have cleaned the battery cables and every ground on the truck and that don't...

My sons 04 pontiac bonneville oil pressure gauge seems to be reading high. It show 80 pounds while driving down the road and about 50 or 60 at rest. Installed new oil pan gasket and steering rack the first of December and it's been fine ever since. The only other thing that was changed was the...

My buddies grandson bought a 06 gmc hybrid truck and the stator in the transmission is bad part number 19117206. Can't find it anywhere and all we see is it's discontinued. What to do now. Can't even find anyone that rewhines them.

I am going to install a ignition module on my sons 04 bonneville and was wondering if i should put dielectric grease under the module before installing ? Thanks !

Getting ready to drain and fill my sons 16 Implala. Does anyone know where the radiator drain is on this car ? Or if it even has one.

How do these two compare in gloss and protection ? I'm about to run out of the Tech 2.0 wax and looking to buy new stuff. I have been leaning towards the Ultimate wax but after seeing how easy the ceramic stuff is to use i might buy it.

Long story short is my son put 2 bottles of Lubeguard Red in his 04 bonneville to try and take care of a torque converter shudder. Turns out a good tune up took care of his problem. My question is , is 2 bottles OK to keep in the trans ? I could suck out 6 quarts and replace with new fluid. I...