Varnish build up in the engine can cause one or more hydraulic lash adjusters to stick and cause a ticking noise in the engine. The noisy hydraulic lifter will need to be located and cleaned to stop the noise.
Car Problem Reports
Honda Passport Varnish buildup in engine may cause ticking noise
Honda Passport Problem
9 Reports
Model Years Affected: 1994, 1995, 1996, 1997
Engine Affected: 3.2L V6
Average Mileage: 172,800 mi (115,000 mi - 215,000 mi)
Verified
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Visitor, 1995 Honda Passport, 3.2L V6, 172,000 mi
ticking in engine like valve tappet ? Varnish in engine makes sense how do yuou clean it ?
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chinadoll53, 1996 Honda Passport, 3.2L V6, 170,000 miRookie
i have ticking i have useing marvel mys, oil, it stops and at idle noise comes back.
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DRDietrich, 1997 Honda Passport, 3.2L V6, 192,000 miEnthusiast
added heavy weight oil at oil change, no real improvement in tapping noise, but engine runs strong and smooth
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