Loud, constant ticking

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Oct 4, 2006 | 10:16 AM

#11

bill buttermore

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From: Ames, Iowa

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Quote:

Originally Posted by petraman

No no no, I know what contracting metal sounds like, this is more constant, ticking like 5 times a second

Sounds like pressure being relieved through a small orifice or valve acting like a check valve. Could be a vacuum reservoir bleeding down or maybe a component in the fuel or cooling system. I would suppose vacuum is the most likely.

Oct 4, 2006 | 10:46 AM

#12

lash

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From: Central Florida

Petey, are you sure it'* coming from the SCer?

Oct 4, 2006 | 11:37 AM

#13

willwren

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Quote:

Originally Posted by bill buttermore

Quote:

Originally Posted by petraman

No no no, I know what contracting metal sounds like, this is more constant, ticking like 5 times a second

Easy method to test this:

1. Pull the vacuum lines off the shift modulator and vacuum reservior while it'* ticking. Does it stop?

2. Bleed the fuel pressure at the rail (into a rag, the engine is hot). Does it stop?

Oct 4, 2006 | 11:46 AM

#14

petraman

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From: Granville, Ohio ~NEBF '07 Survivor~

Wow, thanks guys! I'm going to try Will'* method tomorrow, as I'm kinda busy today. Is this looking like a major problem, or what?

Oct 4, 2006 | 11:51 AM

#15

willwren

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It'* not a major problem, not even a problem.

If either of these stop the ticking, write it up to normal cooldown. Even pressing the brake pedal may stop it. Assuming it'* vacuum related.