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I have a 2003 GMC 2500HD 4WD 8.1L. I bought the haynes repair mannual for this truck,however this mannual doesn't cover my engine size or 2500HD models. Does anyone know where and if they make a repair book for my exact truck?

I have a 2003 GMC 2500HD 8.1L. My ABS came on the other day and has been going on and off. When the light is off and I brake for a red light everything seems fine untill just before I come to a complete stop and the truck pulls to the left and the pedal drops a some and i hear a noise from the...

Just changed my oil in my 2003 GMC 2500HD 8.1L with 119,000 miles on it. I use valvoline high millage(red bottle) 5w-30. Smelled the oil like always ha! and noticed it smelled a little burnt. Buddy told me could mean burnt valve(s). Any truth to that? Truck has beeen running fine and haven't...

Ok. So last year i got a catalog from JC Whitney. It has a 2003 GMC 2500HD Duramax on the front cover. I have the same truck and want the tires that they have on that truck. However i called JC Whitney and they can't help. I hope someone here has seen the cataolg and can help.

I have a 2003 GMC 2500HD 8.1 Liter 8100 V8 Vortec Engine. Its Been 3000 miles since my last oil change and my check oil level light came on my DIC and my dipstick only has about 1/4 inch of oil showing on it. Whats the deal?