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Clicking coming from distributor

dwalc0604

Active member
Joined
Jul 3, 2015
Messages
31
Location
Cheektowaga, NY
Corvette
1980 Mellow Yellow
The other day I noticed a "clicking" sound almost like arcing coming from the distributor. The engine is running fine. The cap and rotor are less than a year old but I replaced the rotor anyway. Any ideas?
 

Tom Bryant

Well-known member
Administrator
Joined
Nov 9, 2000
Messages
7,373
Location
Edgerton, Ohio, United States
Corvette
1959 black 270hp (9/2/69) 1981 Beige L81(10/20/80)
You probably already did this but look at the cap terminals to see if the rotor is contacting any of them, caused by too much end play.
Also check for carbon tracking inside the cap which is a sign of the spark grounding to something other than the cap terminals. Also look around the cap and plug wires at night with the lights off and engine running for arcing between or from the plug wires or carbon tracking down the outside of the cap.

Tom
 
Last edited:

dwalc0604

Active member
Joined
Jul 3, 2015
Messages
31
Location
Cheektowaga, NY
Corvette
1980 Mellow Yellow
You probably already did this but look at the cap terminals to see if the rotor is contacting any of them, caused by too much shat end play.
Also check for carbon tracking inside the cap which is a sign of the spark grounding to something other than the cap terminals. Also look around the cap and plug wires at night with the lights off and engine running for arcing between or from the plug wires or carbon tracking down the outside of the cap.

Tom
Thanks Tom for the excellent suggestions.
 

Wayback

Well-known member
Joined
Aug 14, 2006
Messages
591
Location
S-NJ
Corvette
93 Ruby Aniv roadster/6spd
Check your advance weights also
ASK-20-01-02--1024x683.jpg
 

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