turbo noise
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Senior User
Joined: Mar 2005
Posts: 103
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From: SE MN
turbo noise
I was pulling a 26ft trailer loaded and unloaded and it did this both times. As i started to go up a hill at 60 mph it was in overdrive and about half way up it started to make a noise , the only other time i have heard this noise is at truck and tractor pulls when they cant pull any futher they have a weird turbo sound. My truck never down shifted but when i heard that noise i started to get woried and let off. I dident have overdrive locked out because i dont like running 2500 and up rpms for long periods of time. Is that normal or is something wrong? Thanks for any help
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
I bet it's your radiator fan kicking into high. It's really loud and if you aren't used to it, will make you think something is wrong with your truck.
You don't have your sig filled out. Give us the details and specs on your truck. Mods? Gauges? Custom tune?
Stewart
You don't have your sig filled out. Give us the details and specs on your truck. Mods? Gauges? Custom tune?
Stewart
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Can you describe the noise? Was it a steady or pulsing sound? If it was a pulsing type sound, we need one of the guys who has a link to the clip of turbo surge handy. If it's just a loud steady sound, or a high pitch whistle, it's probably not an issue. Did your boost gauge flutter when the noise was happening? What boost psi were you reading when this happened?
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
If it was a "chuffa-chuffa-chuffa" or "psst-psst-pssst" sound with a fluttering gauge, you were surging. Common issue, especially with a stock turbo while towing with tunes. Mine did that empty on my hot tunes.
EDIT: Here's one type:
http://www.youtube.com/watch?v=evGFfuhUaRM
EDIT: Here's one type:
http://www.youtube.com/watch?v=evGFfuhUaRM
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Another vote for the possible surging, I had it too with my stock turbo. He said his gauge was flickering, isn't that one of the warning signs of surge??
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Fleet Owner
Joined: Jun 2004
Posts: 25,090
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From: Rio Rico, AZ.
You can eliminate that surging by installing an early style intake wheel or a vented housing.
I went with the wheel because it was a lot less expensive than the vented housing and it has a cool whistle sound to boot.
It's commonly known as the Wicked Wheel.
I went with the wheel because it was a lot less expensive than the vented housing and it has a cool whistle sound to boot.
It's commonly known as the Wicked Wheel.
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