How tight should a serpentine belt be on a Jeep Wrangler?
The required measure of tension in the serpentine belt is that it should not deflect more than ½ inch when twisted either way from the middle. If twisted more, the belt is loose, and if twisted less, the belt is too tight.
When should a timing belt be replaced on a Jeep Wrangler?
When to replace the timing belt? Every 60k-90k miles. If an engine is equipped with a timing belt, the timing belt must be replaced at the service interval specified by the vehicle manufacturer regardless of whether or not any problem is visible, typically in the range of 60,000 to 90,000 miles.
Can a tight serpentine belt cause loss of power?
The water pump stops working too, so the engine starts to overheat after some time. At a point, the engine will pack up and will require being towed. So yes, a bad serpentine belt cause loss of power.
Can you over tighten a tensioner pulley?
If you can turn it more than a 1/2 turn, you do not have enough tension on the belt. Over-tightened belts can cause internal damage to the bearings inside the pulleys. It can also cause overheating of the belts and premature wear.
How much does it cost to replace a serpentine belt on a Jeep Wrangler?
Jeep Wrangler Serpentine Belt Replacement Cost Estimate. Labor costs are estimated between $52 and $66 while parts are priced between $63 and $67. This range is based on the number and age of Jeep Wrangler’s on the road.
When should I change my serpentine belt Jeep Wrangler?
5 years/75k miles seems like a good time to change it. Also whenever you replace the alternator or water pump. I had one fail on a Grand Cherokee V8 at 56k miles(!) but the JK 3.6 belt seems more durable.
What does it sound like when a serpentine belt goes bad?
Although there are a few causes of a squealing engine, one of the most common is a bad or failing serpentine belt. Belt squeaking is also especially pronounced when accelerating, on startup, and when making a U-turn. The noise is loud and sounds like a squeal, loud chirp, or squeak.
What happens when a serpentine belt fails?
If a serpentine belt breaks, a car won’t be drivable and will have to be towed. If the engine runs without a serpentine belt, it might overheat as the water pump will no longer work. A broken belt can also damage other parts. If a car has a hydraulic power steering pump, the steering will become stiff.