2003 Chevy Tahoe Overheating

MQSMITH9691

MEMBER
2003 CHEVROLET TAHOE
V8
4WD
AUTOMATIC
106,000 MILES

My Truck is overheating and I don't have any heat. My vents just blow cold air. I'm sure I need to replace my water pump. How Difficult?

Monday, January 4th, 2010 AT 7:50 PM

3 Replies

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Is the waterpump leaking or making noise? Have you tried replacing the thermostat? Flush cooling system, heater core?

If the waterpump isn't leaking or making noise, chances are it is fine. And it is a somewhat big job to replace.

Let me know about the other things first.

Joe

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Tuesday, January 5th, 2010 AT 9:34 AM

MQSMITH9691

MEMBER
2 POSTS

The water pump is leaking and making noise. But I only noticed it after driving then parking the truck and coming out to see a puddle underneath.

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Tuesday, January 5th, 2010 AT 10:08 AM

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Okay. I just didn't want you to replace it because it is a big job and takes time. Basically, you need to remove most of the parts from the front of the engine, the radiator, fan, shroud, serp belt and accessories it runs, and a lot of disconnecting of things such as trans cooling lines, rad hoses, wiring.

For me to try to tell you step by step instructions via the internet allows too much room for error. If you want, I can try to find something. Or, you may want to find a repair manual that provides step by step instructions and pictures to identify parts. They offer one online on this site. Check it out and let me know.

Joe

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Tuesday, January 5th, 2010 AT 11:09 PM