What causes a distributor cap to build up green corrosion on the contact points inside the cap 93 Chevrolet 4.3 liter engine


Asked by Feb 15, 2015 at 01:05 PM about the 1993 Chevrolet C/K 1500 Indy Pace Standard Cab SB

Question type: General

4 Answers

Jacob Wright


John Carson

There are contact sprays that can be used to clean the electrical contacts. Spray them and with a fine copper wire brush, clean all the contact points. If you have a air blower, blow the scrapings and brush bristles out. There also are caned air used on computers that you can use to blow out the cap and rotor. Make sure the cap is secured and sealed. Make sure the spray states it can be used on electrical contacts and is not oil based. Alcohol based is best as it leaves no residue.

Andrew Olsen

Cheap caps. Get ones with brass contacts


The cap has brass terminals. It is a Borg Warner cap.

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