How do you know if your cam chain tensioner is bad?
There is often a timing chain tensioner noise from within the engine due to a failing tensioner. Kindly note that a bad tensioner makes the chain go loose and it may soon start hitting other parts. Hence, the noise from the engine as you drive, and this sound ranges from a knocking sound to a squeaky or chirping sound.
When should a cam chain tensioner be replaced?
between 80,000 and 120,000 miles
When does a timing chain need to be replaced? The timing chain normally needs to be replaced between 80,000 and 120,000 miles unless there is a specific problem. Issues with the chain are common in higher mileage vehicles.
How much does it cost to replace a cam chain tensioner?
The average cost to replace timing chain tensioner is around US$1000 to US$1600. In which the service is around US$600 to US$1000 while aftermarket auto parts are estimated between US$450 and US$600.
What happens when the tensioner goes bad?
When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises. If the pulley bearing completely fails, it can also cause a squealing or even a grinding noise.
What does a bad timing chain tensioner sound like?
If you hear a rattling or scraping sound, with no other noise being emitted from the engine, it indicates a bad timing chain.
What does a bad cam chain tensioner sound like?
Listen for a metallic sound that resembles a rattling or scrapping noise. The sound can be intermittent or constant, but it will be a metal to metal contact. Such a noise will reveal a loose timing chain hitting the inside of the timing chain cover every time it rotates. You might also hear a metallic slapping noise.
What year did Harley change to hydraulic cam chain tensioners?
Regardless, the cam chain tensioner issue occupied more space in Twin Cam forums than the cost of gas debate. All of which in 2007 resulted in H-D modifying the part with a hydraulic actuated tensioner.
How tight should a manual cam chain tensioner be?
make contact with the moving cam chain, back the tensioner bolt out 1/4 turn and tighten the jam nut. (For the finer pitch thread on the APE Pro Series tensioner it is advised to back the tensioner up 1/2 of a turn.) DO NOT over-tighten the cam chain, as cam chain giude damage could occur.
