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Old 10-08-2013, 04:13 PM
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Weird whistling/whining noise

So I've noticed lately my truck has a high pitched whistle noise coming from the engine . I only notice it shortly under a load or when I'm towing heavy and it downshifts. It almost sounds like a bearing in the turbo area?? I don't know? Anyone else have this or experienced this? My truck has 89000 on it and it still boost the same drives fine and mileage is still good


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Old 11-08-2013, 04:00 AM
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Anybody?? Now I have my deletes done and when I really step on her it boosts fine goes fine but it squeals like crazy and it's not my belt so I'm thinking something with my turbo possibly?? Is there a way to clean these or something


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Old 11-08-2013, 04:22 AM
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check your degass bottle for to much pressure may have a HG going
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Old 11-08-2013, 04:23 AM
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Not to sound stupid but wtf is that and where???
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Old 11-08-2013, 04:43 AM
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High pressure fuel pump I'm assuming but how do I check the pressure any tips
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Old 11-08-2013, 05:39 AM
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radiator degass bottle when you have to much radiator pressure it will vent it out the cap and it will whistle. Tell tail sign on 6,0s when they have a blown head gasket. yes I know this is not a 6.0,..... just something to check that dosent cost $$$$
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Old 11-08-2013, 05:43 AM
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Ah gotcha for some reason I thought u said hpfp don't know where I got that thanks I'll try that too


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