1999 Cherokee Classic front end noise - help needed.
I recently purchased a 99 Cherokee classic 2wd with about 80k miles on it.
Runs great except for a strange squealing noise from the front end. Sounds like an electric motor with a bad bearing, that kind of squeal. Does this intermittently only at highway speeds (50mph to 70 mph). It will squeal for a second or two and then stop for a while. I think I notice it from the front more towards the right side and it reverberates through the dash area. The dealer thought it might be a front wheel bearing, so they repacked them and I didn't hear the noise for a day. Dunno if that was a coincidence. Anyone have any suggestions on this problem? Thanks. |
Re: 1999 Cherokee Classic front end noise - help needed.
Daron did pass the time by typing:
> I recently purchased a 99 Cherokee classic 2wd with about 80k miles on it. > Runs great except for a strange squealing noise from the front end. Sounds > like an electric motor with a bad bearing, that kind of squeal. Does this > intermittently only at highway speeds (50mph to 70 mph). It will squeal > for > a second or two and then stop for a while. I think I notice it from the > front more towards the right side and it reverberates through the dash > area. > The dealer thought it might be a front wheel bearing, so they repacked them > and I didn't hear the noise for a day. Dunno if that was a coincidence. > > Anyone have any suggestions on this problem? Does it happen when the AC is on? Your describing a belt driven component. Anything from an idler to water pump/alternator/ps pump/ac compressor... Of those only the AC compressor cycles. But usually that does a squeel.. short pause...squeel...short pause...squeel...etc. as the AC cycles. -- DougW |
Re: 1999 Cherokee Classic front end noise - help needed.
Daron did pass the time by typing:
> I recently purchased a 99 Cherokee classic 2wd with about 80k miles on it. > Runs great except for a strange squealing noise from the front end. Sounds > like an electric motor with a bad bearing, that kind of squeal. Does this > intermittently only at highway speeds (50mph to 70 mph). It will squeal > for > a second or two and then stop for a while. I think I notice it from the > front more towards the right side and it reverberates through the dash > area. > The dealer thought it might be a front wheel bearing, so they repacked them > and I didn't hear the noise for a day. Dunno if that was a coincidence. > > Anyone have any suggestions on this problem? Does it happen when the AC is on? Your describing a belt driven component. Anything from an idler to water pump/alternator/ps pump/ac compressor... Of those only the AC compressor cycles. But usually that does a squeel.. short pause...squeel...short pause...squeel...etc. as the AC cycles. -- DougW |
Re: 1999 Cherokee Classic front end noise - help needed.
Daron did pass the time by typing:
> I recently purchased a 99 Cherokee classic 2wd with about 80k miles on it. > Runs great except for a strange squealing noise from the front end. Sounds > like an electric motor with a bad bearing, that kind of squeal. Does this > intermittently only at highway speeds (50mph to 70 mph). It will squeal > for > a second or two and then stop for a while. I think I notice it from the > front more towards the right side and it reverberates through the dash > area. > The dealer thought it might be a front wheel bearing, so they repacked them > and I didn't hear the noise for a day. Dunno if that was a coincidence. > > Anyone have any suggestions on this problem? Does it happen when the AC is on? Your describing a belt driven component. Anything from an idler to water pump/alternator/ps pump/ac compressor... Of those only the AC compressor cycles. But usually that does a squeel.. short pause...squeel...short pause...squeel...etc. as the AC cycles. -- DougW |
Re: 1999 Cherokee Classic front end noise - help needed.
Daron did pass the time by typing:
> I recently purchased a 99 Cherokee classic 2wd with about 80k miles on it. > Runs great except for a strange squealing noise from the front end. Sounds > like an electric motor with a bad bearing, that kind of squeal. Does this > intermittently only at highway speeds (50mph to 70 mph). It will squeal > for > a second or two and then stop for a while. I think I notice it from the > front more towards the right side and it reverberates through the dash > area. > The dealer thought it might be a front wheel bearing, so they repacked them > and I didn't hear the noise for a day. Dunno if that was a coincidence. > > Anyone have any suggestions on this problem? Does it happen when the AC is on? Your describing a belt driven component. Anything from an idler to water pump/alternator/ps pump/ac compressor... Of those only the AC compressor cycles. But usually that does a squeel.. short pause...squeel...short pause...squeel...etc. as the AC cycles. -- DougW |
Re: 1999 Cherokee Classic front end noise - help needed.
"DougW" <post.replies@invalid.address> wrote in
news:SbhBc.67747$%T.37261@okepread05: >> >> Anyone have any suggestions on this problem? > > Does it happen when the AC is on? Your describing a belt driven > component. Anything from an idler to water pump/alternator/ps pump/ac > compressor... > > Of those only the AC compressor cycles. But usually that does a > squeel.. short pause...squeel...short pause...squeel...etc. as the AC > cycles. > There is no change in the noise with the A/C on or off. If it were an engine component, would I not be able to hear it when I rev the engine up to 3000 rpm an hold it as if I were driving at 50mph? Thanks |
Re: 1999 Cherokee Classic front end noise - help needed.
"DougW" <post.replies@invalid.address> wrote in
news:SbhBc.67747$%T.37261@okepread05: >> >> Anyone have any suggestions on this problem? > > Does it happen when the AC is on? Your describing a belt driven > component. Anything from an idler to water pump/alternator/ps pump/ac > compressor... > > Of those only the AC compressor cycles. But usually that does a > squeel.. short pause...squeel...short pause...squeel...etc. as the AC > cycles. > There is no change in the noise with the A/C on or off. If it were an engine component, would I not be able to hear it when I rev the engine up to 3000 rpm an hold it as if I were driving at 50mph? Thanks |
Re: 1999 Cherokee Classic front end noise - help needed.
"DougW" <post.replies@invalid.address> wrote in
news:SbhBc.67747$%T.37261@okepread05: >> >> Anyone have any suggestions on this problem? > > Does it happen when the AC is on? Your describing a belt driven > component. Anything from an idler to water pump/alternator/ps pump/ac > compressor... > > Of those only the AC compressor cycles. But usually that does a > squeel.. short pause...squeel...short pause...squeel...etc. as the AC > cycles. > There is no change in the noise with the A/C on or off. If it were an engine component, would I not be able to hear it when I rev the engine up to 3000 rpm an hold it as if I were driving at 50mph? Thanks |
Re: 1999 Cherokee Classic front end noise - help needed.
"DougW" <post.replies@invalid.address> wrote in
news:SbhBc.67747$%T.37261@okepread05: >> >> Anyone have any suggestions on this problem? > > Does it happen when the AC is on? Your describing a belt driven > component. Anything from an idler to water pump/alternator/ps pump/ac > compressor... > > Of those only the AC compressor cycles. But usually that does a > squeel.. short pause...squeel...short pause...squeel...etc. as the AC > cycles. > There is no change in the noise with the A/C on or off. If it were an engine component, would I not be able to hear it when I rev the engine up to 3000 rpm an hold it as if I were driving at 50mph? Thanks |
Re: 1999 Cherokee Classic front end noise - help needed.
Daron did pass the time by typing:
> "DougW" <post.replies@invalid.address> wrote in > news:SbhBc.67747$%T.37261@okepread05: > >>> >>> Anyone have any suggestions on this problem? >> >> Does it happen when the AC is on? Your describing a belt driven >> component. Anything from an idler to water pump/alternator/ps pump/ac >> compressor... >> >> Of those only the AC compressor cycles. But usually that does a >> squeel.. short pause...squeel...short pause...squeel...etc. as the AC >> cycles. >> > > > There is no change in the noise with the A/C on or off. If it were an > engine component, would I not be able to hear it when I rev the engine > up to 3000 rpm an hold it as if I were driving at 50mph? Sometimes. Remember that the engine isn't under any load when your in neutral. The bit about feeling the vibration leads me next to U joints but since you have 2WD, that would more likely come from the back. Next time it happens try putting the Jeep in Neutral and see if the vibration goes away. If it doesn't try lightly pressing the brakes. If it goes away with pressing the brakes you might have a dragging shoe or your pads are so thin the wear indicator is making noise. Good luck, -- DougW |
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