1998 GMC Suburban radiator

ANTHONY.TIRADO

MEMBER
1998 GMC SUBURBAN
V8
4WD
AUTOMATIC
176,000 MILES

I am currently deployed and my wife wants to do a coolant flush on our suburban herself, I can talk her through everything except how to get to the petcock. I looked at it before I left and know that it won't be very easy but not sure exactly what will need done to access it. My question, is there an easy way to get to the petcock and if not what all needs to be done to access it?

1 Reply

BLUELIGHTNIN6

MECHANIC
16,542 POSTS

It is on the inside bottom right corner of the radiator. Towards the engine. It will be a plastic drain cock. It is hard to see, but it is there and should be accessible without removing anything.

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Monday, July 5th, 2010 AT 4:02 PM