Squealing Noise
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Senior User
Joined: Sep 2010
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Squealing Noise
Towing on the highway today and under hard load at around 65mph, 2400rpms, 10psi, 1100 degrees.
Hear a weird *** squealing noise. Backed off the throttle, it stopped and came back on with hard throttle.
Possible the turbo is hitting the housing?
Hear a weird *** squealing noise. Backed off the throttle, it stopped and came back on with hard throttle.
Possible the turbo is hitting the housing?
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
It's possible. Pull the intake and inspect the wheel and housing for any signs of contact. Check the shaft for in and out play, or see if you have enough up/down or side to side play for the wheel to contact the housing.
Also try pulling the belt and inspecting all the pulleys to see if anything doesn't feel right. I've seen a worn water pump start to squeal as the impeller began to rub against the water pump housing and front cover.
Also try pulling the belt and inspecting all the pulleys to see if anything doesn't feel right. I've seen a worn water pump start to squeal as the impeller began to rub against the water pump housing and front cover.
Senior User
Joined: Apr 2007
Posts: 400
Likes: 1
From: Richland, WA
I had this happen and it turned out that the alternator pulley siezed up and the belt was going around it and squeeling. I needed a new alternator and pulley. Luckily I was able to walk to Napa from where I was stopped, lol.
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