strange whistling sound coming from engine when i accelerate - Page 3 - Motorhome Forums, Motorhome Discussion, Motorhome Chat

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post #21 of 30 (permalink) Old 23-03-2011, 22:50
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manifold leak.
exhaustleakdiferent noise to inlet leakie whistle.
roy
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post #22 of 30 (permalink) Old 23-03-2011, 23:37
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easy way to spot a leak from the intercooler or pipes - there will be an oily residue around the area although leaks tend to hiss rather than whistle. Whistling turbo's are considered "normal operation" as said earlier lack of performance and smoke are the more serious symptoms.
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post #23 of 30 (permalink) Old 24-03-2011, 10:00
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Re: strange whistling sound coming from engine when i accele

Quote:
Then that someone knows nothing about diesels ..

Diesels neither have nor need dump valves.

Dump valves are something fitted to some petrol turbo engines to overcome a problem peculiar to petrol turbo engines.


People confuse turbo wastegate and dump valves (yes diesels dont need dump valve), turbo whistle should go away if you come off the throttle as should an air line leak as well, turbo whistle changed with weather conditions I find, we had an old Merc 123 estate that I fitted a turbo kit to and that used to whistle in the fog.

P.S First time I have done a a quote so hope it works.

Martin
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post #24 of 30 (permalink) Old 24-03-2011, 11:52
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Scan all your documents to a memory stick as back-up back-up

I'm not signing anything.

The two impulses in travel are to get away from home, and the other is to pursue something - a landscape, people, an exotic place. Certainly finding a place that you like or discovering something unusual is a very sustaining thing in travel.
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post #25 of 30 (permalink) Old 14-06-2013, 21:05
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Whistle from front end of RV

We have owned two Georgie Boy Cruise Masters and they both whistle on the highway. It will sometimes come and go, but we thought it might be something to do with the grill or antenna on the roof. It sounds more like a wind whistle from somewhere up front or near the windshield. I have stood on my head while he drives trying to locate the whistle and it seems to come from all directions.
Sometimes it would just quit and we thought it was the direction of the wind changing.
Thanks for the info. Will ask about whether or not we need to adjust or replace.
Thanks,
Linda1039
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post #26 of 30 (permalink) Old 15-06-2013, 12:24
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Hi

A friend of mine bought a new Mondeo which had quite a loud whistle at speed.

It took a number of visits to the supplying dealers and some weeks to establish it was a ribbon she'd tied to the radio aerial The dealer was quite happy as Ford hadn't had that complaint before and now had the remedy if someone else had similar, zero charge

Jason
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post #27 of 30 (permalink) Old 15-06-2013, 12:41
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Quote:
Originally Posted by Spacerunner
Scan all your documents to a memory stick as back-up back-up
WTF??
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post #28 of 30 (permalink) Old 15-06-2013, 12:54
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Quote:
Originally Posted by Spacerunner
Quote:
Originally Posted by Spacerunner
Scan all your documents to a memory stick as back-up back-up
WTF??
Quite
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post #29 of 30 (permalink) Old 15-06-2013, 15:42
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Our Ford Transit developed a whistle shortly after a service.

Turned out that the "operative" at the garage hadn't quite seated the air filter in its housing correctly.

As simple as that!

I was having horrific "turbo" problem thoughts (s) so I was quite chuffed when I sorted the problem myself.
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post #30 of 30 (permalink) Old 15-06-2013, 20:17
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It could be an exhaust manifold leak. Look out for any soot marks around the manifold. Also try looking in the dark with a torch with the engine running. Get someone to blip the throttle, smoke escaping shows up better this way. You may also get fumes in the cab if this is the fault.
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