Turbo question
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Cross-Country
Joined: Jan 2008
Posts: 73
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Turbo question
I had an Oasis report run on a '05 I'm thinking about looking at. This is the last entry on the report "24355 TURBO VANES STICKING VERIFIED CUSTOMERS CONCERN HAS NO POWER. PERFORM KOEO AND CONT. HAS CODE P0299. PERFORM TSB 08 16 13 PERFORM TUBO FUNCTION TEST TURBO NOT BOOSTING AT ALL NO CHANGE IN TURBO PITCH. REOVE TURBO FOR INSPECTION FOUND EXCESSIVE RUST. UNISON RING RUSTED TO TURBO CENTER SECTION AND TURBO VANES RUSTED TO OUTTER TURBO HOUSING. REPLACE TURBO CLEAR CODES. PERFORM" . I'm wondering how the turbo could get rusty and is this a problem with 6.0's. I want to upgrade from my '02 F150, but I don't want to buy someone's trouble. Any advice will be appreciated.
New User
Joined: Nov 2008
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The turbo doesnt rust, it has a carbon buil-up inside of the VGT and causes the vanes to stick, usually in the open position, therefore full boost all the time. All they do is put a new CHRA (Center Housing Rotation Assembly) in and it works fine after that. Happens to almpst every 6.0 it seems like. definately not anything to worry about
Cargo Master
Joined: Mar 2007
Posts: 3,103
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From: AB/BC
The turbo doesnt rust, it has a carbon buil-up inside of the VGT and causes the vanes to stick, usually in the open position, therefore full boost all the time. All they do is put a new CHRA (Center Housing Rotation Assembly) in and it works fine after that. Happens to almpst every 6.0 it seems like. definately not anything to worry about
Fleet Owner
Joined: Nov 2003
Posts: 27,881
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The Ford TSB states that there could be "CORROSION, OR PITTING FROM THE CENTER HOUSING FLANGE OR HUB":
Also:
SCALY RUST, CORROSION OR PITTING MAY BE PRESENT INSIDE THE TURBINE HOUSING. THIS IS NORMAL. DO NOT TO REPLACE THE TURBINE HOUSING. VANE SET CLEANING WILL BE SUFFICIANT
TSB 08-16-13
Also:
SCALY RUST, CORROSION OR PITTING MAY BE PRESENT INSIDE THE TURBINE HOUSING. THIS IS NORMAL. DO NOT TO REPLACE THE TURBINE HOUSING. VANE SET CLEANING WILL BE SUFFICIANT
TSB 08-16-13
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Senior User
Joined: Sep 2007
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Rusty turbine housing. Turbo replaced. Very little carbon/coking on this turbo. It had 12,000 miles. Killed by sitting for a few weeks. Unison ring was also stuck due to rust on the cast iron housing/cartridge at the inside diameter of the unison ring which was non-magnetic so probably stainless.
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Lead Driver
Joined: Jun 2007
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From: Corvallis, OR
The housing on my turbo was badly rusted causing it to stick. It sat for over a year after it was wrecked before I bought it in Portland, OR where it rains a lot. I cleaned it all out as the TSB instructs and its been fine since.
Elder User
Joined: Sep 2007
Posts: 803
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From: S CAL
Rusty turbine housing. Turbo replaced. Very little carbon/coking on this turbo. It had 12,000 miles. Killed by sitting for a few weeks. Unison ring was also stuck due to rust on the cast iron housing/cartridge at the inside diameter of the unison ring which was non-magnetic so probably stainless.
You are right the turbo housing is magnetic and will rust but the unison ring is not and the vains show very little magnetic attraction. The new reconditioned turbos have part of the housing machined out so that there is less contact between the unison ring and the housing and partly resolving the sticking problem.
You are right the turbo housing is magnetic and will rust but the unison ring is not and the vains show very little magnetic attraction. The new reconditioned turbos have part of the housing machined out so that there is less contact between the unison ring and the housing and partly resolving the sticking problem.
Elder User
Joined: Jun 2008
Posts: 724
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From: Sarasota, fl
Rusty turbine housing. Turbo replaced. Very little carbon/coking on this turbo. It had 12,000 miles. Killed by sitting for a few weeks. Unison ring was also stuck due to rust on the cast iron housing/cartridge at the inside diameter of the unison ring which was non-magnetic so probably stainless.
New User
Joined: Nov 2008
Posts: 24
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Ive never seen the rust. But that may be cause by most of the trucks i work on run 24/7, since they are oil field trucks. not many sit around for long periods of time. Im glad i got on here, this is one more thing that will help make me a better tech.
New User
Joined: Nov 2008
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The turbo is warr for 5yr 100k m. if its rusty internaly, the dealer can replace it with a later, updated model ( new machining procees creates a recess in the exh. hsg casting thus relieving the binding effect leting the Exciter plate move freely) by disassembling orig. turbo & confirming condition. But if its a later model turbo, they still can get sticky and can be service cleaned without any problems and work just as good as new. PT
New User
Joined: Nov 2008
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Turbo repairs
Before you start doing turbo removal or repairs, ya should otta be sure ya have all the proper tools and some good info.....So...when yer ready to try this leave a note on this site & I'LL be glad to give ya the heads-up on what needed and whats NOT !!.....PT 