1997 grand cherokee whining

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12-24-2014, 05:57 PM

brantley55

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Year: 1989

Model: Cherokee

Engine: 4.0L

1997 grand cherokee whining

My grand Cherokee starts whining around 30-40 mph. The faster the louder. Was just wondering if my off-road tires are whining that loud. It if it's something more serious

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12-25-2014, 04:20 PM

twinkiedooter

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Year: 1997

Model: Grand Cherokee

Engine: 4.0

Describe what you term as whining. Where is noise coming from? Engine or under the car? Any vibration felt?

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12-25-2014, 04:36 PM

brantley55

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Year: 1989

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Quote:

Originally Posted by twinkiedooter

Describe what you term as whining. Where is noise coming from? Engine or under the car? Any vibration felt?

Like a jet turbine lol. No vibration. Just whining.

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12-28-2014, 06:56 PM

dave1123

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Year: 2000 XJ Sport & WJ Laredo

Model: Grand Cherokee (WJ)

Engine: 4.0L

This is sort of an odd question. If it didn't whine before you put on the off-road tires, of course it's the tires!

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12-29-2014, 09:19 AM

brantley55

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Year: 1989

Model: Cherokee

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Quote:

Originally Posted by dave1123

This is sort of an odd question. If it didn't whine before you put on the off-road tires, of course it's the tires!

I bought the jeep with these tires on it.

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12-29-2014, 03:16 PM

dave1123

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Year: 2000 XJ Sport & WJ Laredo

Model: Grand Cherokee (WJ)

Engine: 4.0L

Oh. Different horse, different color! Does the whine change with power setting? You know, power on, power off? If not, it's probably the tires.

My '97 ZJ whined at about 45 and above but was most noticeable on deceleration. If it has the Selectrac 242 t/case, most of the driving is in 2WD so the rear diff gets a lot more wear. That D35 axle isn't the strongest thing around. Mine started whining after 185K miles.

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12-29-2014, 04:10 PM

Jeepin'Hubb's

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Year: 1997

Model: Cherokee

Engine: 4.0 I6

Wife or girlfriend in passenger seat maybe?

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12-30-2014, 08:49 AM

brantley55

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Year: 1989

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Quote:

Originally Posted by dave1123

Oh. Different horse, different color! Does the whine change with power setting? You know, power on, power off? If not, it's probably the tires. My '97 ZJ whined at about 45 and above but was most noticeable on deceleration. If it has the Selectrac 242 t/case, most of the driving is in 2WD so the rear diff gets a lot more wear. That D35 axle isn't the strongest thing around. Mine started whining after 185K miles.

Yeah I can here it while deceleration

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12-30-2014, 08:49 AM

brantley55

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Originally Posted by Jeepin'Hubb's

Wife or girlfriend in passenger seat maybe?

Haha!

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12-30-2014, 09:24 AM

#10

brantley55

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Year: 1989

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Quote:

Originally Posted by dave1123

Oh. Different horse, different color! Does the whine change with power setting? You know, power on, power off? If not, it's probably the tires. My '97 ZJ whined at about 45 and above but was most noticeable on deceleration. If it has the Selectrac 242 t/case, most of the driving is in 2WD so the rear diff gets a lot more wear. That D35 axle isn't the strongest thing around. Mine started whining after 185K miles.

And what do you mean power setting?

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12-30-2014, 01:18 PM

#11

brantley55

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Year: 1989

Model: Cherokee

Engine: 4.0L

Quote:

Originally Posted by dave1123

Oh. Different horse, different color! Does the whine change with power setting? You know, power on, power off? If not, it's probably the tires. My '97 ZJ whined at about 45 and above but was most noticeable on deceleration. If it has the Selectrac 242 t/case, most of the driving is in 2WD so the rear diff gets a lot more wear. That D35 axle isn't the strongest thing around. Mine started whining after 185K miles.

If by power you mean gas, when I'm on the freeway going 70mph and I let off the gas I still here the whining. I've come to conclusion at that point it's most likely the tires, right?

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12-30-2014, 04:12 PM

#12

chilly

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Year: 1995

Model: Grand Cherokee

Engine: 5.9L

Whining could very well be the rear end. Bad pinion bearings whining, or a lose carrier could be making the gears whine. This is especially true if its only noticeable or much louder when you let off the gas.