JohnLZ7W

I've been trying to track down an intermittent loud clicking sound that I get. I haven't noted any pattern in when this occurs, driving conditions, temperature, etc, it just comes and goes. Thought it might be valve noise, potentially from oil starvation but had a new oil pump installed last week and I still get the noise. Definitely related to engine speed, not wheel speed, and more likely to happen with heavier load on the engine, so wide throttle, low RPM type situations.

I pulled the timing belt cover and it doesn't look like anything is interfering with the belt itself. Have also ruled out axle/driveshaft issues because it is depended on engine RPM not vehicle speed.

Thanks!

joe@vwvortex

Could be a bad lifter - but those types of noise are a PITA to figure out

JohnLZ7W

like a background noise, this ticking is louder than that and a slower frequency. The valve noise is more of a fast ticketa-ticketa-ticketa where this is a tick-tick-tick. I gotta record it next time it happens.

DumpTTruck

Noises are a real pain to figure out even when you can stand next to the engine.

TTEUER

My tensioner made a whirring noise when it was failing... not sure if that helps at all.

JohnLZ7W

yeah, if I could reproduce it with the car parked it'd be so much easier

JohnLZ7W

was thinking something might be defective. Definitely not getting a whirring noise though.

snowpunk_AGTT

Probably not helping much more then stirring the pot. If you need an extra hand at all call me and I'll be right over.

JohnLZ7W

lolz I think it'll get to spend another day with Dean

TTschwing

For the chain that links the cams. Listen on the drivers side of the valve cover.. There have Been a few failures that I've seen here and in person....