Heater core replacement

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Dec 18, 2010 | 04:19 PM

92Dak4x4

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From: California

Heater core replacement

does anyone know if in our trucks you can remove the low pressure switch without losing freeon because i know you can do the on some cars but i was wondering if we can do this on our trucks thanks guys

Dec 19, 2010 | 02:17 AM

Crazy4x4RT

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From: NM

I wish I knew. The best source is the Factory Service Manual, you can download it from the FAQ. Let us know what you find.

Dec 26, 2010 | 05:47 AM

speedy333

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Yes you can. When you remove it you'll hear a 'pop', but that's just the o-ring un-seating on the switch.

Dec 26, 2010 | 11:49 AM

jnjinfla

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Joined: May 2009

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From: Florida

+1.When I did the work on my 1992 I removed the switch without loss of coolant. Also +1 to the factory FSM. I found one on Ebay for $25 with shipping and it has been a godsend!

Quote:

Originally Posted by speedy333

Yes you can. When you remove it you'll hear a 'pop', but that's just the o-ring un-seating on the switch.

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