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Old 07-06-2017, 10:25 AM   #1
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Tiffin whining

Hi
Is anyone having issues with their bus making a high pitch whine when accelerating?
I have a 2007 Allegro Bus
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Old 07-06-2017, 10:38 AM   #2
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Welcome to iRV2. First post I see.

If the noise appears to be coming from the engine area, you have the possibility of a broken clamp on the charge air plumbing , between the turbo and the engine intake manifold.
Questions ?
Did this noise just start ?
Do you notice any decrease in engine performance?
Could you add engine info to your post.
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Old 07-06-2017, 10:38 AM   #3
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Quote:
Originally Posted by StaceyMaximo View Post
Hi
Is anyone having issues with their bus making a high pitch whine when accelerating?
I have a 2007 Allegro Bus
Can you describe the noise and general location it's coming from?
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Old 07-06-2017, 01:48 PM   #4
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Quote:
Originally Posted by StaceyMaximo View Post
Hi
Is anyone having issues with their bus making a high pitch whine when accelerating?
I have a 2007 Allegro Bus
If you think that's whining, you oughta go to TRVN and read some posts.
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Old 07-06-2017, 06:09 PM   #5
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More info might help like engine but I have a Cummings isl400 that did that when I bought it and it was an exhaust manifold leak, quite common from what I have found. Fortunately dealer paid for the repair 1600.00
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