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Turbocharger Longevity? #5280926 11/30/19 08:04 AM
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Passport1 Offline OP
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I have two turbocharged cars. One with about 150K on the turbo the other is approaching 100K. Both vehicles get whatever synthetic oil is on sale in the proper viscosity and at reasonable OCI. Neither car is driven hard and rarely see max boost. Use mostly Shell high test gas.

I have never had to change a turbo. I know they are expensive and in the case of the Saab with the exhaust close to the firewall, difficult to remove/replace.

So how long should they reasonably last?


1992 940 Volvo turbo 320K
2006 Saab 9-3 86k
2007 Suzuki Burgman
2012 Suzuki Kizashi
Re: Turbocharger Longevity? [Re: Passport1] #5280929 11/30/19 08:09 AM
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rooflessVW Offline
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Basically forever. At least double your current mileage.

Unless one fails randomly, which you can't predict or prepare for.

Re: Turbocharger Longevity? [Re: Passport1] #5280951 11/30/19 09:04 AM
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supton Offline
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They should last a long time. I don't think anyone proactively replaces a turbo, at least not until something gives up.

I have had only one turbo motor, and the turbo lasted 255k before the shaft snapped--I got lucky as it could have sent shrapnel into the motor.


2011 Toyota Camry, base, 2.5L/6MT, 196k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 155k, ours
1999 Toyota Camry LE, 2.2L/4AT, 217k, his
Re: Turbocharger Longevity? [Re: Passport1] #5280955 11/30/19 09:08 AM
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Audios Offline
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Had an A4 with 300k on original turbo, my tdi is over 200 still going.


2002 VW Golf TDI-T5 10/30
2007 Mercedes GL320 CDI- M1 0/30 ESP
2005 BMW M3 BMW-Twin Power 10/60
2003 BMW M5-M1 15/50
1998 BMW M3/4/5-M1 10/40
Re: Turbocharger Longevity? [Re: Passport1] #5280967 11/30/19 09:30 AM
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bullwinkle Offline
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We had an E-350 Ford 7.3 PSD make it to over 600K on the original turbo, I’ve personally taken a 6.0 PSD VV turbo past 250K. It’s all about using good oil, keeping it clean and changed, and not shutting down hot & coking it. Big miles can be done, turbos got a bad rap in olden days because uneducated gasoline car drivers abused them with inferior Grp. 1 oil & destroyed them.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Turbocharger Longevity? [Re: Passport1] #5280973 11/30/19 09:35 AM
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ET16 Offline
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If you are talking Saabs, the Mitsubishi turbos last longer than the Garretts.

Re: Turbocharger Longevity? [Re: bullwinkle] #5280982 11/30/19 09:54 AM
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maxdustington Online Content
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Originally Posted by bullwinkle
Big miles can be done, turbos got a bad rap in olden days because uneducated gasoline car drivers abused them with inferior Grp. 1 oil & destroyed them.
Prevalence of better oils, but also water cooling. Auxiliary water pumps/evaporative cooling made a turbo vehicle viable as a DD for someone who is late for work all the time. 1980-2000 gave them a bad reputation, but even work trucks have turbocharged motors getting beat every day now.

My old 2003 1.8T Jetta burned more oil than any car I have ever seen. I found a bottle of Petro Canada 5W30 dino and the oil pump screen was pretty clogged when I changed the pickup when I bought the car. It had a water cooled turbo, but the 1.8T is notorious for being hard on oil and I'm pretty sure the PO damaged the turbo running junk dino. Any car can be trashed by a clueless owner, turbo or not.


99 Toyota Tercel CE 5EFE/C151
Re: Turbocharger Longevity? [Re: Passport1] #5280984 11/30/19 09:56 AM
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tdi jerry Offline
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I also have two cars with turbos i let them idle some to give the turbos time to slow down and to cool down before i shut the engine off. Turbos can be spinning 100,000 RPMS and when you shut the engine off you cut the oil supply off also.


2016 and 2018 Ford Fusion SE 1.5 GDI Turbo Ecoboost engine with 10:1 compression ratio both running Mobil 1 5W30 Annual Protection.

Jerry
Re: Turbocharger Longevity? [Re: rooflessVW] #5280988 11/30/19 09:59 AM
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aquariuscsm Online Content
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Originally Posted by rooflessVW
Basically forever. At least double your current mileage.

Unless one fails randomly, which you can't predict or prepare for.

This.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 0W20

Re: Turbocharger Longevity? [Re: tdi jerry] #5280999 11/30/19 10:13 AM
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Kestas Offline
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Originally Posted by tdi jerry
Turbos can be spinning 100,000 RPMS and when you shut the engine off you cut the oil supply off also.

True. Worst case scenario is to pull to the side of a high speed freeway and immediately shut the engine off. The turbo is still spinning pretty good. Good way to wipe out the bearing.

Re: Turbocharger Longevity? [Re: Passport1] #5281052 11/30/19 11:35 AM
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UncleDave Online Content
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Even with regular servicing it's a crapshoot how long it will last.

The super light auto units are not the equivalent of the big diesel rigs.

"Forever" in my case was 36K.

I had a turbo come apart at 36K on my sprinter. Filled the intake tract with metal.

Glad It was still under warranty.....


UD

Last edited by UncleDave; 11/30/19 11:38 AM.

Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: Turbocharger Longevity? [Re: UncleDave] #5281055 11/30/19 11:38 AM
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mattd Offline
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We have a 6.7 powerstroke in our fleet with 21,000 hours on the original turbo.

Also have a 6.0 PSD with over 17000 hours on original turbo.

Bottom line is with proper maintenance they last a very long time. If you have it at full boost often and for long periods of time that puts more stress on the bearing though.

Last edited by mattd; 11/30/19 11:40 AM.

2007 Ford F-350 4x4 6.0 PSD

ASE Master, L1
Re: Turbocharger Longevity? [Re: Passport1] #5281084 11/30/19 12:23 PM
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JohnnyJohnson Offline
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An acquaintance had his Turbo go out on his Duramax with only a little over 70K miles.


2004 Corolla 137480
Out: Havoline Pro DS 10w-30 Purolator PureOne 10-29-19 136457
In: Pennzoil Platinum HM 5W-20 ST 4386
2006 Duramax 76862
Out: T6 5W-40 XG9100 73909
In: Rotella Dino PH9100 11-3-19
Re: Turbocharger Longevity? [Re: mattd] #5281113 11/30/19 01:08 PM
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UncleDave Online Content
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Originally Posted by mattd
We have a 6.7 powerstroke in our fleet with 21,000 hours on the original turbo.

Also have a 6.0 PSD with over 17000 hours on original turbo.

Bottom line is with proper maintenance they last a very long time. If you have it at full boost often and for long periods of time that puts more stress on the bearing though.



I'm inclined to believe that full boost for long periods is less detrimental than constant heat cycling.

Vehicles that operate for long periods of time until high loads have fewer turbo failures in general.

At 36 K my benz was 5 years old and was heat cycled approximately 5-7 times a day 5-6 days a week 50 weeks a year..

Thats 36 x 50 X 5 years is 9000 hot cold cycles on the compressor.

Ive had many turbocharged vehicle and this is the first problem Ive had.

The vehicle was maintained at Keyes Mercedes in Van Nuys under their VIP warranty program so any claim of under, or improper maintenance is baseless.




UD




Last edited by UncleDave; 11/30/19 01:09 PM.

Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: Turbocharger Longevity? [Re: Passport1] #5281136 11/30/19 01:25 PM
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popcorn2


06 Lexus IS350- Wife
88 BMW 325is- Mistress
Say "no" to Turbo!
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