I HAVE RECENTLY NOTICED THAT I HAVE BEEN LOSING ...

2004 GMC Sierra

Tiny

emmyjean

October, 20, 2012 AT 10:24 PM

I have recently noticed that I have been losing antifreeze but no visible dips or puddles on garage floor also noticed truck gives off a puff of whats looks like burning oil when I first start it then it goes away. Just bought the truck warranty is gone and not to happy. But truck runs fine. What could this be?

FOUND 2845 RELATED QUESTIONS

1 Answer

Tiny

ASEMaster6371

October, 20, 2012 AT 11:38 PM

Smoke could be valve seals.

Cooling system has a leak. Get a pressure test to find the leak.

Roy

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