First Head Gaskets, now more problems. Help!!

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Mar 6, 2016 | 11:01 AM

mverdill

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First Head Gaskets, now more problems. Help!!

Hi All,

First off, let me say that I am new to diesels so pardon my ignorance or stupid questions.

I bought an '05 F250 6.0 Diesel in December last year. Had a tremendous amount of coolant loss, so I ended up doing head gaskets, ARP studs, new oil cooler, blue spring update and a few other things. I had the heads re-surfaced and put everything back together. The coolant loss has cleared up but now I'm having more trouble.

I was towing a 3,000# trailer today and noticed that when pulling up a hill there was alot of black smoke coming out of the exhaust and the truck did not seem to have much power. Also, the turbo seems very loud and I noticed that when letting off the accelerator, there was a "put, put, put" noise as I slowed down. I used to town this trailer with a V8 gas Dodge and it pulled much better, so I know that something is wrong. The EGR has already been deleted on this truck.

I'm not sure if the turbo is bad or what? I checked the turbo when it was off and didn't notice play in it, but I didn't clean it or open it up.

Please help! Any suggestions would be great.

Thanks.

Mar 6, 2016 | 12:32 PM

bobv60

Fleet Mechanic

Joined: May 2011

Posts: 1,866

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From: Rainier OR

What is your boost gage reading? Could be a torn or blown off boot. craked cold side CAC tube if its still plastic. Or stuck turbo

Mar 6, 2016 | 12:35 PM

timmytoes

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Joined: Jul 2011

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From: Central Arkansas

Have you checked your CAC boots for tears or holes?especially on the bottom side of the lower one. If you have a leak in those on the hot side, those are classic symptoms. Elimate the easy stuff first.

Mar 6, 2016 | 01:04 PM

BLADE35

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Joined: Apr 2010

Posts: 19,061

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From: Saratoga Springs,UT

Better check the sensor to

Sounds like the turbo is stuck if your getting that cha cha cha sound upon go pedal lift

Mpg down to I assume

Mar 6, 2016 | 01:40 PM

mverdill

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I have checked the boots for tears and they look fine. My boost gauge is reading over 20 sometimes higher.

Yes, my fuel mileage is terrible - under 10MPG.

Which sensor are your meaning to check??

Thanks