GMC Sierra 2500HD Questions Any type

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Tail Light Problem

All tail lights blink when lights are on and you step on brakes or turn signal on also with lights off and turn signal on blink fast when brakes applied

5 views with 1 answer (last answer 2 weeks ago)

Oil Sending Unit

Oil Pressure gauge erratic. Replaced oil sending unit (that was fun!). Gauge worked fine for few days, now either erratic or topping out? Gauge problem? Defective sending unit?


2006 Gmc 2500hd Crew Sierra W/6.6 Duramax/allison

I want to pull the following 34.5' 5th Wheel Camper: CAN I DO THIS/ SHOULD I DO THIS? Hitch Wt: 1,940 Ship Wt: 10,010 GVWR: 13,940 (Lbs.) I plan to add "air bag" lifters that will allow me to inc...

Richard Chism

Purge Or Solenoid Evap Vent Located Where

check engine light came on error code p0446

75 views with 4 answers (last answer 3 months ago)

One High Beam Stopped Working

Passenger Side High beam stopped working. I've replaced the light bulb and plug but that didn't make a difference.

27 views with 1 answer (last answer 5 months ago)

What Does The Slz Mean On My 97 Gmc Sierra 2500


Power Steering And Power Brakes Do Not Work How Do I Fix

the lower return came off and I put it back on and filled up the power steering pump and it made a whinning noise foe awhile then it stopped but so did the steering and brakes ! I have a 2002 gmc 2500...

Sarge Mitchell

Towing Capacity

What is the absolute max towing capacity of Sierra 2500HD with the 8.1L/Allison combo? Can it handle 15k pounds?

194 views with 2 answers (last answer 5 months ago)

Tailgate Latching (on Close)

Tailgate will not latch when I shut it. I have resorted to popping the bezzle and manually pushing the rods to the outside to get the latch to catch. Lube to the latches and the handle actuator pivot ...


I Have A Slight Vibration In My Rear End As Im Accelerating Past 75 Mph?

No vibration 75 mph down. Its not the tires as i just got them rotated and balanced. Its not the transfer case or drive shaft as i got both new last year (2014). As soon i let off the gas the vibratio...

203 views with 9 answers (last answer 6 months ago)


Have a 2001 2500hd crew cab - short bed 6000 v8 4.10 axle ratio. 5th wheel hitch - want to upgrade my horse trailer ..Looking at gooseneck horse trailer (living quarters) 3 horse slant - empty we...

152 views with 8 answers (last answer 7 months ago)

Where Is The Horn In My 2004 Gmc Sierra 2500hd?

155 views with 3 answers (last answer 7 months ago)
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