REPLACING RADIATOR DRAIN COCK

1989 GMC S15

Tiny

Dakingpin

June, 24, 2008 AT 6:05 PM

Engine Cooling problem
1989 GMC S15 6 cyl Two Wheel Drive Automatic 200000 miles

The plastic drain petcock broke off while flushing the radiator. How do you remove the rest of the old drain petcock so I can install the new one.

FOUND 223 RELATED QUESTIONS

2 Answers

Tiny

merlin2021

June, 24, 2008 AT 6:10 PM

If you have to, remove the radiator, and unscrew the remainder of the old one, then install the new one.

Tiny

KHLow2008

June, 27, 2008 AT 8:03 AM

Hi Dakingpin,

The wing nut is made of plastic so use a sharp pointed object to stick into the edge and slowly try to unscrew it off, provided space is available, if not you have to remove the radiator first.

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