2002 Honda Civic

Tiny
JFREEMAND
  • MEMBER
  • 2002 HONDA CIVIC
  • 4 CYL
  • FWD
  • MANUAL
  • 137,000 MILES
My timing belt was just replaced but there is now a noise while accelerating. If revved in neutral there is no noise. While accelerating in gear there is a clicking type noise. Basically sounds like a diesel. Could that mean the timing is out? It didn't make this sound before the belt was replaced.
Friday, September 3rd, 2010 AT 11:37 AM

5 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi jfreemand,

It depends on where the noise is coming from. Possibly some component had not been adjusted/tightened to specs thus causing the noise. It culd also be coincidence that the noise started after the timing belt replacement and the only way to find out is to locate the source.

If the timing belt has been installed out of sync, you would have performance related issues such as lack of accelerating power.
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Friday, September 3rd, 2010 AT 2:33 PM
Tiny
JFREEMAND
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Thanks for your help. The noise is coming from the engine. There are no performance problems that I've noticed. It seems funny that the noise only happens under acceleration and not when revving the engine. Thanks again,
John
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Friday, September 3rd, 2010 AT 2:40 PM
Tiny
KHLOW2008
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Sometimes noises appears only when there is load so revving would not produce any noise.

When knocking type of noise emits from engine under acceleration, it could be a worn con-rod bearing and that can result in major engine damage if not rectified in time.

Did you check the engine oil level and condition?
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Friday, September 3rd, 2010 AT 2:51 PM
Tiny
JFREEMAND
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The oil was very low and dirty. I topped it up today and plan to change it tonight. How do I tell if it's the con-rod bearing?

Thanks, John
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Friday, September 3rd, 2010 AT 2:54 PM
Tiny
KHLOW2008
  • MECHANIC
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Low engine oil can cause knocking noises and hopefully there is no damage to the bearings.

When con-rod bearings are worn, usually revving the engine would produce a tapping-like noise. You need to rev briskly and listen for tapping noise from within the engine.
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Friday, September 3rd, 2010 AT 2:58 PM

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