How do you know when to replace a belt tensioner?
Appearance: Cycle the tensioner (mounted on the engine) through the entire range of motion (from stop to stop) by applying torque to the arm with a wrench. The tensioner arm should move smoothly and freely. Solution: If you notice a binding, sticking or grinding tensioner arm, the tensioner should be replaced.
What problems can a bad tensioner pulley cause?
If the drive belt tensioner pulley has any sort of issue it can cause unusual and accelerated wear on the belt. A bad pulley can cause fraying on the edges of the belt, and in severe cases can even cause it to break. Other symptoms of a bad belt tensioner is failure of the belt driven accessories.
What does a bouncing belt tensioner indicate?
It is important to note that any abnormal chattering or bouncing of the tensioner arm under normal operation indicates the tensioner has already failed and should be replaced.
When does the timing belt start on a Toyota Tacoma?
V6 Toyota Tacomas have timing chains and interference engines from 2005 to 2021. V6 models from 1995 to 2004 have timing belts and non-interference engines. Scroll down for detailed information on your particular model year. Timing Belt Questions? See Our Educational Timing Belt Articles What Does A Timing Belt Do? Timing Belt Vs.
What kind of belt tensioner do I need for Tacoma Sienna?
On the Sienna the tensioner is easy to replace when servicing the timing belt, plus it came in the kit I got. The bearing size for the Tacoma V6 tensioner bearing is 17X40X17.5 (ID X OD X Width); I replaced mine with a Nachi 5203-2NS bearing.
What are the symptoms of a bad belt tensioner?
Squeaking or Grinding Noise. One of the most common symptoms of a failing belt tensioner is unusual noise coming from either the tensioner or the drive belts. If the drive belt noise resembles a squeal or a squeak, it is possible that the belt tensioner is loose. This is especially the case when starting the engine first thing in the morning.
How big is the tensioner bearing on a Tacoma?
Gates has a good web page on diagnosing tensioner issues. The bearing size for the Tacoma V6 tensioner bearing is 17X40X17.5 (ID X OD X Width); I replaced mine with a Nachi 5203-2NS bearing.