How do you know if your cam chain tensioner is bad?
Common signs of a faulty timing chain include engine misfires, metal shavings found in the oil, and rattling sounds from the engine while idling.
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.
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.
What year did Harley switch 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. As it turned out, 2007 was a big year for other reasons too.
What happens when the tensioner goes bad?
Many of the engine’s accessories, such as the alternator, water pump, and AC compressor, can be belt driven. A seized or loose drive belt tensioner can cause the belt to snap, which will disables those accessories and can cause problems such as overheating, a dead electrical system and battery, or a disabled AC system.
How tight should a manual 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.) Be sure jam nut is tight against the tensioner body when complete.
What year did Harley change to hydraulic cam chain tensioners?
What happens if timing chain tensioner breaks?
If the tensioner were to fail, there is nothing keeping the chain in place. If the timing chain isn’t in place and breaks while the vehicle is running, the valves will be open, and the piston will hit the valves, causing the vehicle to stop running almost immediately.
What year did Harley have problems with cam chain tensioners?
What causes tensioner to fail?
The most common causes of timing belt tensioner failure include: Wear and tear: On a new mechanical timing belt tensioner system, the timing belt tensioner spring is wound tightly by two tension rods. Over time, the spring stretches out and loses its tension. As a result, the entire tensioner becomes too weak.