Low pressure switch

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Sep 15, 2013 | 07:51 PM

Redrod

Thread Starter

Heel & Toe

Joined: Sep 2013

Posts: 21

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From: SPARTANBURG SOUTH CAROLINA

Low pressure switch

I have a bad low pressure switch on my 91 corvette! My question is can the switch be replace with pressure on the system? I find it impossible to screw on switch without the o-ring getting pushed out by pressure.

Sep 15, 2013 | 10:14 PM

SeeFourSix

Instructor

Joined: Jul 2013

Posts: 131

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From: Claxton GA

yes. o-ring should be in switch and switch should screw into a 'schrader' valve (similar to tire valve).

Sep 15, 2013 | 10:20 PM

STL94LT1

Race Director

Joined: Jan 2002

Posts: 12,264

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From: O'Fallon Missouri

Lube the o-ring with a little dish washing soap.

Sep 16, 2013 | 12:58 PM

Redrod

Thread Starter

Heel & Toe

Joined: Sep 2013

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From: SPARTANBURG SOUTH CAROLINA

Quote:

Originally Posted by seefoursix

yes. O-ring should be in switch and switch should screw into a 'schrader' valve (similar to tire valve).

maybe if i lube the o-ring with oil and then place in switch it would keep it from being pushed out!

Sep 16, 2013 | 09:13 PM

SeeFourSix

Instructor

Joined: Jul 2013

Posts: 131

Likes: 6

From: Claxton GA

Quote:

Originally Posted by Redrod

maybe if i lube the o-ring with oil and then place in switch it would keep it from being pushed out!

yes. petroleum jelly (vasoline) works also.

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