answersLogoWhite

0


Best Answer

The blower motor may be failing or there could be debris caught in the fan.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What causes a 1999 jeep chereoke to make loud noise when heater is on?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What causes the chirping noise on a 1999 VW Jetta?

does it have a ecotek valve fitted?


What causes a knocking noise when you turn the steering wheel on a 1999 Nissan sentra?

u joint


What is that noise in the back of a 1999 suburban when you put the key in and twist?

possible rear heater blower wheel has broken center hub!


1999 ford f-150 clicking noise when heater is not on?

Change the blower fan speeds to see if the noise changes. It is possible that the fan is still running while the heat is off, and the fan is rubbing.


What causes a humming noise when you accelerate The noise stops when your foot is offf the gas pedal The car is a 1999 sable with 84000 miles?

wheelbearing or cv axle enjoy


What causes a squeaking noise when a hit a bump in a 1999 Ford Expedition?

When you hit the bump, the mouse wakes up.


What causes the heater to blow cold air when the engine is overheating on a 1999 Cadillac Seville?

Low coolant. If the coolant is low then the heater core is not able to transfer heat in to the car.


What causes the grinding noise in the front passenger tire of a 1999 Yukon four wheel drive car?

brake pads shot


How do you change heater core on a 1999 ford?

Instualation of a heater core on a 1999 Ford Explorer V6, how do you install the heater core.


What causes a loud noise when driving from the rear of a 1999 Jeep 4.7 Grand Cherokee could it be bearings or the differential?

It could be differential bearings.


What causes steam to come out of air vents in 1999 expediton?

This is caused by a faulty heater core that has corroded and now has a leak. It needs to be replaced.


What is the ticking noise coming from under the hood of a 1999 Dodge Durango?

What causes ticking, check engine light, and the check gauges sensor to come on in a 1999 Dodge Durango 5.2L SUV?