Is the belt tensioner pulley supposed to spin?
Is the belt tensioner pulley supposed to spin?
With the belt fully tight, you wont be able to turn it but with the belt off, it should spin freely like a “pulley”…
Are all pulleys supposed to spin freely?
The only pulleys you should be able to turn by hand when the serpentine belt is not in place are: the water pump, alternator, and power steering pump pulleys. That you cannot rotate either cam or crankshaft pulleys by hand is completely normal.
Is the idler pulley supposed to be tight?
Tension is applied to the belt by the idler pulley wheel that sits on a moveable arm. Tug on the belt. Is should be tight, with only a little give when you tug on it. Push the idler pulley towards the motor so that you can release the tension on the belt.
Can you remove a tension belt on a 2009 Ford F-150?
The one exception is if you have a 2009 and later F-150 with a 3.5L EcoBoost or 3.7L V6. Those engines have a non-adjustable tensioner. To remove the belt, you will need a stretchy belt installer/remover. Insert your 1/2″ drive ratchet or belt removal tool into the hole on the tensioner.
When does a drive belt tensioner need to be replaced?
There aren’t a lot of warning signs that a drive belt tensioner has hit the end of its lifespan, in fact there is really only one. Once you start to hear a grinding or squeaking sound coming from your engine, it’s time to have the drive belt tensioner looked at.
Can a 5.4 liter belt be replaced?
Engine belt dressing may increase the slipping but silence the noise because it is considered a lubricant. Use the above 5.4 Liter belt diagram to replace the serpentine belt instead of spraying belt dressings all over the old one.
What causes a 5.4 liter belt to slip?
When the accessory drive belt is too long this will allow the belt tensioner, number 7 in the 5.4 Liter belt diagram above, to be pulled all the way to the travel stop. This may cause an incorrect tension and allow for slipping condition that causes nasty belt noise.
The one exception is if you have a 2009 and later F-150 with a 3.5L EcoBoost or 3.7L V6. Those engines have a non-adjustable tensioner. To remove the belt, you will need a stretchy belt installer/remover. Insert your 1/2″ drive ratchet or belt removal tool into the hole on the tensioner.
Why does my belt tensioner no longer rotate?
It is also possible that a belt-driven component will no longer rotate. The belt tensioner in your car is an important component. It maintains the correct tension on the drive belts. This helps facilitate the transmission of power to the different accessories of your car.
Engine belt dressing may increase the slipping but silence the noise because it is considered a lubricant. Use the above 5.4 Liter belt diagram to replace the serpentine belt instead of spraying belt dressings all over the old one.
When the accessory drive belt is too long this will allow the belt tensioner, number 7 in the 5.4 Liter belt diagram above, to be pulled all the way to the travel stop. This may cause an incorrect tension and allow for slipping condition that causes nasty belt noise.
