WagonRFix

Tapping noise on a cold start

Symptoms
Loud knock or tick for a short time after a cold start, gone when warm
Likely cause
Valve train (tappet) noise while oil reaches the top of the engine. Thick oil makes it worse.
Fix
Use the oil grade in the manual (API SL, 0W-20 best, or 5W-30). If the noise stays when warm, see a mechanic.
Applies to
All
Confidence
low

Sources

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Where the parts are · Warning lights · Fault codes · Maintenance

Guidance only – confirm with a mechanic before repairs. All common problems