Valve clatter or an injector?
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Joined: May 2012
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From: Collierville, TN
Valve clatter or an injector?
All,
Just reset the valve clearances for a second time on my ‘05; heard a valve clatter after the first attempt, so just rechecked them. Per the Honda Service Manual, set the Intakes at .008”, Exhausts at .010”. Still getting a tapping noise when the engine warms up. Used a stethoscope to narrow down the area of the noise, seems like a #3 intake valve. However, a placed the probe on the injector, and the noise seemed louder. So, did a missed a valve clearance, or is an injector starting to fail? Car has just 18,500 miles on it.
Thanks,
John
Just reset the valve clearances for a second time on my ‘05; heard a valve clatter after the first attempt, so just rechecked them. Per the Honda Service Manual, set the Intakes at .008”, Exhausts at .010”. Still getting a tapping noise when the engine warms up. Used a stethoscope to narrow down the area of the noise, seems like a #3 intake valve. However, a placed the probe on the injector, and the noise seemed louder. So, did a missed a valve clearance, or is an injector starting to fail? Car has just 18,500 miles on it.
Thanks,
John
Thread Starter
Joined: May 2012
Posts: 43
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From: Collierville, TN
Joined: Aug 2016
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From: In BOOST
Joined: Aug 2016
Posts: 2,767
Likes: 234
From: In BOOST
Since your mileage is that low and the car is 13 years old could it be that it stood still, un-driven for a very long period of time? If that is the case then whatever fuel was in the tank would have gummed up causing the lines and/or injector/s to get clogged up. Running a bottle of good fuel system cleaner is inexpensive and definitely worth a try before replacing an injector/s
Joined: Jul 2014
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From: Chesterfield VA
I'd clean the fuel system as Rolan notes before throwing parts at it.
Mechanical valve trains are "clicky." The valve clearance tightens in use. Tight valve clearances are quieter but even set to max spec (recommended, especially the exhaust) there should be no inconsistent noise across all four cylinders.
-- Chuck
Mechanical valve trains are "clicky." The valve clearance tightens in use. Tight valve clearances are quieter but even set to max spec (recommended, especially the exhaust) there should be no inconsistent noise across all four cylinders.
-- Chuck
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Joined: Aug 2016
Posts: 2,767
Likes: 234
From: In BOOST
I'd clean the fuel system as Rolan notes before throwing parts at it.
Mechanical valve trains are "clicky." The valve clearance tightens in use. Tight valve clearances are quieter but even set to max spec (recommended, especially the exhaust) there should be no inconsistent noise across all four cylinders.
-- Chuck
Mechanical valve trains are "clicky." The valve clearance tightens in use. Tight valve clearances are quieter but even set to max spec (recommended, especially the exhaust) there should be no inconsistent noise across all four cylinders.
-- Chuck
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