2000 GTP engine noise
#1
2000 GTP engine noise
I have a 2000 GTP with 185k miles. It has developed an engine noise that makes an "ERCH" sound about every 1.5 to 2 seconds at idle. the noise will speed up when the RPM is increased. The noise seams to be coming from somewhere around the #1 cylinder to the middle of the intake. I have taken off all of the belts off and started the engine and it makes the same noise. I originally thought it would have something to do with the timing chain since the noise frequency was slower than engine RPM speed. If it was a bearing I think it would be a lot faster or continuous. Any help would be appreciated.
#2
Retired
Can you shoot a video of this and post it to Youtube?
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2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
#4
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Could have saved you the work.
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Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
#6
Retired
That is a really weird noise. A noise I never heard before.
Time to get the auto stethoscope out and poke and prod.
Time to get the auto stethoscope out and poke and prod.
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Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
#8
Retired
Your balance shaft bearings are right under the snout.
The least amount of work to inspect it would be removing the */C, and the LIM. Then you should be able to grab the balance shaft and check for lateral/axial play in it.
Worst case scenario, it is possible to completely remove the balance shaft.
The least amount of work to inspect it would be removing the */C, and the LIM. Then you should be able to grab the balance shaft and check for lateral/axial play in it.
Worst case scenario, it is possible to completely remove the balance shaft.
__________________
Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
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WilliamE (08-19-2014)
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