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Repair guides and support for the first generation Grand Cherokee ZJ, an upscale mid-size SUV built by Chrysler's Jeep division.

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noisy heating blower on my jeep

need help to locate noisy heat blower for replacement on my 1993 jeep grand cherokee

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tony, try this from the manual:"BLOWER MOTOR AND WHEEL

The blower motor and wheel are located under the glove box and can be removed from the passenger compartment.

REMOVAL

(1) Disconnect the negative cable from the battery.

(2) Disconnect the blower motor cooling tube (Fig.4).

(3) Remove the blower motor electrical connector from the retainer. Disconnect the electrical connector (Fig. 4).

(4) Remove the blower motor and wheel assembly mounting screws (Fig. 4).

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(5) Remove the blower motor and wheel assembly.

(6) Remove the blower motor wheel retainer clip (Fig. 5).

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(7) Pull the blower motor wheel off of the blower motor shaft.

I also included the trouble shooting flowchart for the blower.

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Hope this helps, good luck.

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Often an auto blower fan suddenly becoming noisy is a small leaf or twig inside the fan. Before buying a fan check YouTube to see if there’s a video on how to replace the fan blower. If you can get the blower out (it seems that some on some assembly lines cars are built around blower fans :-)) be sure to remove any debris near the blades. If you can get to the fan bushing, a dry lubricant will often quiet them down.

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This guy has a pretty good video on replacing the blower motor. There could be twigs, leaves, and other debris in the fan, so it’s possible you could remove it, remove any debris, blow compressed air through it, and it will work just fine. However, watch the video. See how involved it is for your level of IFixIt comfort. Looking around online, the part runs about $60 with a new fan on it so you should not have to remove the old fan and put it on a new motor. Motor alone is about $30. It’s a plastic fan, plastic degrades over time, and after 30 years, you might wanna consider replacing the whole thing so that you don’t have to deal with a replacement fan later. Things to consider.

https://www.youtube.com/watch?v=cSHeB0KQ...

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