GMC Sierra 2500HD Questions Any type

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Transmission Swap

I have a 99 GMC 2500 with a L60E transmission. Can i put an 03 Chevy transmission in it that has a transfer case


Just changed the transmission fluid and filter now it wont go into gear not sure why

You Need A Double Cab Search

GM now has a double cab option in stead if the extended cab on newer models. Will this web site offer this option to select?

Relay In The Rear Right Corner Of The Cab

What is the relay for located in the right rear corner of the cab? Behind the rear seat on a 03 GMC Sierra? Mine seems to be energized all the time draining the battery over about a week if it ...

Do You List 2018 Gmc Trucks

2500 series

Will A 225 75r 16 Work On My 05 GMC 2500HD

My friend has a brand new set of those tire sizes that are back country tires. She is giving them to me. Literally 80 miles on them. Will they work on my truck? The factory tire is a 245 75r 16. We...

Something Draining Battery

Something in my car is draining the battery, but only when temperature is below freezing. The battery is less than a year old. Have had no issues, then first below freezing night hit this week and ...

2015 GMC 2500 Turns Over Wont Start

Truck turns over wont start

Not Operating

My security system , doorlocks , and electrical seat on the on the drivers side all stopped working at the same time. Any suggestions would be greatly appreciated.

2003 GMC Sierra Amp Keeps Shorting

My speakers keep cutting out and I’m pretty sure it’s the amp shorting and I’m not sure how to check for that or If that’s the cause if my amp is just going bad. How can I check the problem and lo...

Truck Just Died Going Down The Road Won't Start

Truck just died going down the road won't start put in a new fuel pump still won't start checked all fuses and relays it has 8.1 with Allison Transmission


GMC 2003 1500 HD Push Button 4 WD

My 2WD / 4H / 4L drive selection button not working. anyone ever replaced this and rough cost?

Have A 2500hd Sierra 2005 Oil Pressure Down In Am After In Warms Up It Has ...

2500hd sierra 2005 low oil pressure in morning once it warms up runs good but have high whine sound in front of motor

Wiring For Roof Clearance Lights

Is my 2016 GMC Sierra 2500HD Diesel pre-wired for roof clearance lights

Spark Plugs Getting Ruined Very Frequently

Hello! This question is in regard to a 2006 GMC Sierra 2500HD (8.1L gas engine) with 197,000 miles on it. It had around 60k or 70k miles when I bought it in 2012. It has had a rough life since then ...

2003 Gmc Sierra 2500hd

Truck just died, while pulling into parking. Would not start back, acted like the battery was dead Changed battery. Still nothing

I Have Problem

exhaust flue problems


Oil Leak

I'm working on a 2003 GMC Sierra 2500 HD. It was leaking oil when It rolled into the shop. I checked under and found it was leaking from the aluminum pan that the Oil pan bolts on to. My question is...

Electrical Issue

Hi-my drivers side door window,locks,seat heat,etc stopped working and it’s not a fuse. They work once in a while but then stop again. If it’s a wire problem do you think it’s in the door or somew...


GMC Sierra 2500HD Experts

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    Gilbert Tijerina
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    Marcus Victorius
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