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1999-2007 GMC Sierra Repair Forum

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1999-2007 GMC Sierra questions

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front 4x4 actuator ground

1999-2007 GMC Sierra 1 Answer

jayeff 551.9k

Answered

Sep 26, 2026

answered Sep 26, 2026 by jayeff

0 Answers

Why is my truck not shifting past 2nd gear after a transmission replac

unanswered 1999-2007 GMC Sierra 0 Answers

J G

Asked

Jun 11, 2026

asked Jun 11, 2026 by J G

2 Answers

What causes all the clusters in a dash not to work and fuse is not blo

1999-2007 GMC Sierra 2 Answers

Garon Johnson

Answered

Apr 19, 2026

answered Apr 19, 2026 by Garon Johnson

1 Answer

Cruise control not working, 2006 Duramax

1999-2007 GMC Sierra 1 Answer

Diggsman 21

Commented

Apr 8, 2026

commented Apr 8, 2026 by Diggsman

1 Answer

Why is hot air being forced out of defrosters when a/c is turned on?

1999-2007 GMC Sierra 1 Answer

jayeff 551.9k

Commented

Mar 15, 2026

commented Mar 15, 2026 by jayeff

2 Answers

What gmc truck has interchangeable parts with my 2002 gmc sierra 1500?

1999-2007 GMC Sierra 2 Answers

oldturkey03 862.9k

Answered

Mar 7, 2026

answered Mar 7, 2026 by oldturkey03

0 Answers

2001 4.8L V8 crank/ no start

unanswered 1999-2007 GMC Sierra 0 Answers

Josh Burgess

Asked

Feb 24, 2026

asked Feb 24, 2026 by Josh Burgess

3 Answers

Truck is cutting out at acceleration

1999-2007 GMC Sierra 3 Answers

Tristan

Commented

Jun 16, 2024

commented Jun 16, 2024 by Tristan

1 Answer

How to test the instrument cluster panel

1999-2007 GMC Sierra 1 Answer

oldturkey03 862.9k

Answered

Jan 7, 2024

answered Jan 7, 2024 by oldturkey03

2 Answers

Why doesn’t my air conditioner not blow cold air when truck is idling?

accepted 1999-2007 GMC Sierra 2 Answers

NR26 2.3k

Accepted an answer

Dec 19, 2023

answer accepted Dec 19, 2023 by NR26

0 Answers

Quadra Steer System Sensor testing and adjusting.

unanswered 1999-2007 GMC Sierra 0 Answers

Andy Coutrouzas

Asked

Dec 6, 2023

asked Dec 6, 2023 by Andy Coutrouzas

1 Answer

Cranking issues on my 2005 sierra 5.3 v8

1999-2007 GMC Sierra 1 Answer

Jerry Wheeler 101.9k

Answered

Nov 11, 2023

answered Nov 11, 2023 by Jerry Wheeler

0 Answers

Interchangeable parts on my 01 2500 hd truck

unanswered 1999-2007 GMC Sierra 0 Answers

Casey wilson

Asked

Aug 28, 2023

asked Aug 28, 2023 by Casey wilson

1 Answer

What gm truck years have interchangable parts with a 2005 crewcab 2500

1999-2007 GMC Sierra 1 Answer

oldturkey03 862.9k

Answered

Jul 18, 2023

answered Jul 18, 2023 by oldturkey03

1 Answer

Why dose my Ac cut off when ever it wants

1999-2007 GMC Sierra 1 Answer

F Dryer 2.9k

Answered

Jul 4, 2023

answered Jul 4, 2023 by F Dryer

2 Answers

What is the soft gel inside a vehicles ECU?

1999-2007 GMC Sierra 2 Answers

oldturkey03 862.9k

Answer edited

May 10, 2023

answer edited May 10, 2023 by oldturkey03

3 Answers

What gmc truck years have interchangable parts with a 2005 gmc sierra

1999-2007 GMC Sierra 3 Answers

michaelladnier321

Answered

Mar 3, 2023

answered Mar 3, 2023 by michaelladnier321

1 Answer

GMC sierra 5.7 only starts when you arc # 3 plug wire

1999-2007 GMC Sierra 1 Answer

Vernon alcorn

Answered

Jan 29, 2023

answered Jan 29, 2023 by Vernon alcorn

0 Answers

Help: Led lights don’t turn on

unanswered 1999-2007 GMC Sierra 0 Answers

andrew johnson

Asked

Jan 18, 2023

asked Jan 18, 2023 by andrew johnson

0 Answers

Will the parts and frame on a 2008 Tahoe fit my 2004 GMC Sierra 1500 C

unanswered 1999-2007 GMC Sierra 0 Answers

F Dryer 2.9k

Commented

Dec 3, 2022

commented Dec 3, 2022 by F Dryer