GMC Sierra Exhaust

Browse GMC Sierra Exhaust questions and answers. Choose a question that matches your symptoms.

29 discussions

White Smoke?

2018 GMC SIERRA
I Just Brought A Used Truck Listed Above1500 And It Blows Some White Smoke (not A Lot), I Am Wondering If That Is An Issue And What Is...
5 ANSWERS
1 VIDEO
Asked by nyousef

Sulfur Smell

2015 GMC SIERRA
For About Two Months I Have Had A Pretty Strong Sulfur/rotten Egg Smell In My Truck. The Smell Comes And Goes But Seems To Get Stronger When...
13 ANSWERS
Asked by justinblanton

Torque Specs For Header Bolts, Rockers, And Exhaust...

2012 GMC SIERRA
Truck Listed Above Is An Sle Model. Torque Specs After I Changed Lifters So Header Bolts, Exhaust, Rockets. Thank You.
3 ANSWERS
8 IMAGES
Asked by Mataska

2008 GMC Sierra Pan Removal

2008 GMC SIERRA
I Drained And Removed All Bolts To The Tranny, But Cannot Remove It, Do I Need To Remove The Heat Shield And The Shift Cable Bracket?
5 ANSWERS
Asked by lhtbuilder

2008 GMC Sierra

2008 GMC SIERRA
Engine Mechanical Problem 2008 Gmc Sierra V8 Four Wheel Drive Automatic There Is Water Coming Out Of The Catylitic Converter And The...
1 ANSWER
Asked by barrera705

Intake And Exhaust Manifold Torque Sequence Diagrams

2007 GMC SIERRA
Would You Happen To Have The Torque Sequence Diagrams On The Intake Manifold, Exhaust Manifold, Fuel Injection Cross Over Rail And The...
1 ANSWER
20 IMAGES
Asked by Btoler

Torque Specs

2007 GMC SIERRA
I Have The Truck Listed Above Slt Model With The Vortec Engine Lh6. Could You Tell Me The Torque Specs For The Heads, Intake Manifold And...
3 ANSWERS
3 IMAGES
Asked by Btoler

Cylinder 4 Misfire Along With A Big Incomplete Cat...

2006 GMC SIERRA
Is This Why I'm Getting A Cylinder 4 Misfire Code? The Split Is On Manifold Under The Cylinder 4 And 6 Area.
1 ANSWER
3 IMAGES
Asked by clowegreen

2005 GMC Sierra

2005 GMC SIERRA
I Have An '05 Gmc 2500hd With A Lly Duramax. My Question Is Related To A Catalytic Converter. Under The Truck, In Front Of The Muffler...
1 ANSWER
Asked by chackmak

2004 GMC Sierra Fuel Mystery

2004 GMC SIERRA
So A Few Days Ago While Driving My Truck, I Suddenly Lost Almost All Power While Driving Down The Highway. The Truck Would Sputter And Act...
2 ANSWERS
Asked by zinger24

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