2nd Generation Specific 1986-1992 Discussion

capping heater outlet

Old 05-06-2012, 08:54 PM
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Default capping heater outlet

I have capped the coolant outlet for the heater core. I drained the coolant system to tap and plug the outlet properly. When I pulled the cap off it was still under preasure. Does capping this leave me with a hot spot on the rear plate.
Dave
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Old 05-13-2012, 08:12 AM
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Default Re: capping heater outlet

no it does not seem to leave a hot spot. I'm still not sure why there was coolant left that high in the block after draining it but I'm over that.
drilling and tapping the nipple for a 3/8 pipe plug didn't work out very well for me. Maybe if I had used a better thread sealant. I had a persistant slow drip. I figured maybe a few more treads would help this attempt resulted in me loosening up the nipple which I removed. The hole is just a little on the small side for an 11/16 freeze plug cleaned the hole up with a sanding drum and tapped it in. no leak problem solved
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