How to remove idler pulley on Ford Ranger?
The idler pulley needs a 15 mm to remove it, and here it is removed. Also if this is the first time the idler was removed there is a retainer spring on the bolt. You need to remove that spring (#$^@#&* – LOL).
Can a tensioner pulley be replaced on a Ford Ranger?
There are no tabs/wings on the new pulley, but I am assured they are an acceptable replacement. Here are a couple photos of the pulleys and their locations before I started. And this is the Tensioner Pulley.
When to replace the serpentine belt on a Ford Ranger?
Video tutorial on how to replace the serpentine belt on a Ford Ranger equipped with a 2.5L 4 cylinder engine, this is a 1998 model. The same procedure can also be used on the same generation Mazda B series truck. Worn or older serpentine belts can be cracked or checked due to age, even leaking to a break.
What does serpentine belt on idler pulley do?
The serpentine belts do transfer power to the AC, Power steering, water pump and the alternator. This may differ a bit depending on what car engine you have. If the idler pulley starts malfunctioning then you are going to have problems with these accessories. The idler puller is consists of sheave with grooves from one end to another.
The idler pulley needs a 15 mm to remove it, and here it is removed. Also if this is the first time the idler was removed there is a retainer spring on the bolt. You need to remove that spring (#$^@#&* – LOL).
When to replace serpentine belt, tensioner and idler pulley?
Replacing the idler pulley and tensioner can fix a grinding or whining noise that increases with engine RPM. Replacing the serpentine belt or even the tensioner can solve a squealing or chirping noise that occurs on startup, when the AC is engaged or even when a power steering load is placed on the pump.
There are no tabs/wings on the new pulley, but I am assured they are an acceptable replacement. Here are a couple photos of the pulleys and their locations before I started. And this is the Tensioner Pulley.
How can I tell if my idler pulley is bad?
A squealing noise coming from the engine is the most distinct symptom of a faulty idler pulley though freezing, belt travel and power steering issues are also clear signs of pulley problems. The best way to make sure your idler pulley and serpentine belt never leave you stranded on the side of a road is to check the system regularly.