How do I tell if the turbo is going bad? - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 12-05-2007, 04:23 PM   #1 (permalink)
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How do I tell if the turbo is going bad?

2000 F-450 7.3 375,000 Miles
Heres the problem truck was driving do the highway and lost all power. Check it had fuel and good filter but no oil bone dry crank case. The tailpipe had alittle darker soot than normal not really oilly. I did refill the engine and did start but smoked white. Very similer to when I installed new injector in another truck. Went for a ride and lose about 8qts in about 5 miles.
From what I remember reading on the forum about turbos when it start going out its one of the things that happen before the turbo goes out.

Just wanted to confirm before I go ordering a turbo.

Jack
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2000 F-450 PSD, Auto 19.5' Flatbed Wrecker
Mods: PTO Mounted on trans and Trans Gauge, 6.0 Cooler, and Dieselsite Trans Filter Kit

2002 F-450 PSD, Auto WheelLift
Mods: Banks Exhaust, Triple Gauge pod Autometer Ultra-lite (Boost Pryo Trans Temp), FactoryTech Valvebody, Dieselsite Trans Filter Kit

2003 F-550 PSD 7.3, Auto WheelLift
Mods: DiPricol Guages (Boost Pryo Trans Temp, DP Chip (Stock, 40 Tow, 80 Econo), BTS Valvebody, Dieselsite Trans Filter Kit, 6.0 cooler, 4" MagnaFlow XL Exhaust Customized to fit infront of the axle with a 6 inch tip

2004 F-650 Supercab Black Flatbed Cat 7.2 Straight 6 with an Allison Auto
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Old 12-05-2007, 04:30 PM   #2 (permalink)
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Re: How do I tell if the turbo is going bad?

I think you have bigger problems than a turbo sounds like major engine problem if you lost 8 qts in 5 miles. You need to find out where the 8 qts went to.
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Old 12-05-2007, 04:31 PM   #3 (permalink)
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Re: How do I tell if the turbo is going bad?

Its not in the coolant. So that rules out the injector sleeves.
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2000 F-450 PSD, Auto 19.5' Flatbed Wrecker
Mods: PTO Mounted on trans and Trans Gauge, 6.0 Cooler, and Dieselsite Trans Filter Kit

2002 F-450 PSD, Auto WheelLift
Mods: Banks Exhaust, Triple Gauge pod Autometer Ultra-lite (Boost Pryo Trans Temp), FactoryTech Valvebody, Dieselsite Trans Filter Kit

2003 F-550 PSD 7.3, Auto WheelLift
Mods: DiPricol Guages (Boost Pryo Trans Temp, DP Chip (Stock, 40 Tow, 80 Econo), BTS Valvebody, Dieselsite Trans Filter Kit, 6.0 cooler, 4" MagnaFlow XL Exhaust Customized to fit infront of the axle with a 6 inch tip

2004 F-650 Supercab Black Flatbed Cat 7.2 Straight 6 with an Allison Auto
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Old 12-05-2007, 04:33 PM   #4 (permalink)
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Re: How do I tell if the turbo is going bad?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Chitown_Tower</div><div class="ubbcode-body">Its not in the coolant. So that rules out the injector sleeves.
</div></div>And it's not on the ground or in the valley? That would rule out HPOP leaks.
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Old 12-05-2007, 04:33 PM   #5 (permalink)
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Re: How do I tell if the turbo is going bad?

Its not leaking on the ground anywhere or dripping out of the exhaust
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Old 12-05-2007, 04:34 PM   #6 (permalink)
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Re: How do I tell if the turbo is going bad?

YOu have one serious problem there. 8 quarts in 5 miles is ALOT. I'd look into something along broken piston rings, in addition to turbo seals, as well as other things...
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Old 12-05-2007, 04:37 PM   #7 (permalink)
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Re: How do I tell if the turbo is going bad?

Does the fuel have any oil in it
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Old 12-05-2007, 08:52 PM   #8 (permalink)
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Re: How do I tell if the turbo is going bad?

The truck is the 201" wheelbase with a pretty long exhaust pipe. I had a chance to talk to driver he said it started slow down and smokeing white out of the tail pipe.
I did however remove the turbo and the valley was pretty clean. But when I took off the turbo apart it was pretty soaked on the compressor side and the turbo shaft did have some play form side to side.
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2000 F-450 PSD, Auto 19.5' Flatbed Wrecker
Mods: PTO Mounted on trans and Trans Gauge, 6.0 Cooler, and Dieselsite Trans Filter Kit

2002 F-450 PSD, Auto WheelLift
Mods: Banks Exhaust, Triple Gauge pod Autometer Ultra-lite (Boost Pryo Trans Temp), FactoryTech Valvebody, Dieselsite Trans Filter Kit

2003 F-550 PSD 7.3, Auto WheelLift
Mods: DiPricol Guages (Boost Pryo Trans Temp, DP Chip (Stock, 40 Tow, 80 Econo), BTS Valvebody, Dieselsite Trans Filter Kit, 6.0 cooler, 4" MagnaFlow XL Exhaust Customized to fit infront of the axle with a 6 inch tip

2004 F-650 Supercab Black Flatbed Cat 7.2 Straight 6 with an Allison Auto
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Old 12-05-2007, 08:53 PM   #9 (permalink)
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Re: How do I tell if the turbo is going bad?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: matthewd11</div><div class="ubbcode-body">YOu have one serious problem there. 8 quarts in 5 miles is ALOT. I'd look into something along broken piston rings, in addition to turbo seals, as well as other things... </div></div>

Did a compression test and all where pretty even.
Also when I refilled the oil the truck ran fine untill it was low on oil again.
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2000 F-450 PSD, Auto 19.5' Flatbed Wrecker
Mods: PTO Mounted on trans and Trans Gauge, 6.0 Cooler, and Dieselsite Trans Filter Kit

2002 F-450 PSD, Auto WheelLift
Mods: Banks Exhaust, Triple Gauge pod Autometer Ultra-lite (Boost Pryo Trans Temp), FactoryTech Valvebody, Dieselsite Trans Filter Kit

2003 F-550 PSD 7.3, Auto WheelLift
Mods: DiPricol Guages (Boost Pryo Trans Temp, DP Chip (Stock, 40 Tow, 80 Econo), BTS Valvebody, Dieselsite Trans Filter Kit, 6.0 cooler, 4" MagnaFlow XL Exhaust Customized to fit infront of the axle with a 6 inch tip

2004 F-650 Supercab Black Flatbed Cat 7.2 Straight 6 with an Allison Auto
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