Tapping sound

Hi listers

My '00 Venture (52K miles) got a rapid tapping sound today. After an hour driving in traffic jam, I stopped in a mall. When I started again, there was a loud "tac tac tac" that became faster as the engine speed increase. I stopped the engine and started again. Still the same problem. After driving 5 miles the sounds went off, but came back after a traffic light stop. Oil & coolant level OK, no light in the instrument cluster Before bring it to the mechanic any advices are welcome

(It seems to be a valve lifter isn't it ?)

Christophe SALVAING

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Cars (Ford Aerostar LPG, Chevy Suburban LPG, AMC Pacer, BuickRoadmaster Estate Wagon, Pontiac Montana), Kitesurfing ...

Reply to
Christophe Salvaing
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Have you been loosing coolant? Any signs of coolant in oil? That engine suffers from lower intake manifold gasket leaks. Have it checked out soon....

Reply to
Woody

I'm aware of the lower intake manifold gasket leaks. And yes since 2 month the level coolant is slowly decreasing. But no sign of coolant in oil (foam ...etc etc ...)

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Reply to
Christophe Salvaing

How long since the last oil change?

Reply to
Scott Buchanan

Oil 5W30 changed every 3000 miles

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Reply to
Christophe Salvaing

A faulty oil filter can cause this. Check the oil for fuel contamination, if ok then change the filter with a known good brand in your area. H

Reply to
Hairy

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