Thread: valve tapping at startup
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Old Jul 8, 2002 | 08:43 AM
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fastb18c
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Joined: Jul 2002
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From: Stillwater, OK
Default valve tapping at startup
When I start my car after it is cold, my valves tap very audibly until the car warms up- it started after I went back to regular Castrol GTX from Syntec. Any thoughts?
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