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Old 04-09-2012, 10:28 PM
Registered User
Join Date: Jun 2009
Posts: 1
1993 W124 Turbo Question

Hi Folks,
I am considering the purchase of a 1993 300D with 200K miles. The car is not on the road (registered and insured) and the current owner knows little about the history of the car. The owner indicates that the car ran last year but the car could not get out of its own way. The owner thinks that the Turbo is good and the issue is with the vacuum control (Transducer, Switchover valve, etc.) or the EDS Control Unit.
Is there a way for me to easily determine if the Turbo is in working condition without taking the car for a drive?
I currently have a 1982 240D and have no experience with a turbo.
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Old 04-10-2012, 11:29 AM
vstech's Avatar
Join Date: Mar 2006
Location: Mount Holly, NC
Posts: 26,105
if you can pull the intake tube off the turbo, you should be able to spin the turbine by hand, and feel for play, or binding. if it spins freely, or slightly stiff, the turbo is likely good. if there is a lot of up/down or in/out play, it is worn... if anything binds, it's bad.
you could be lucky, and he may not have changed the fuel filter...
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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Old 04-10-2012, 11:52 AM
compress ignite's Avatar
Drone aspiring to Serfdom
Join Date: Feb 2004
Location: 32(degrees) North by 81(degrees) West
Posts: 5,554
Even If the Turbo is Bad

You can get a Re-Build Kit for it.

THEN immediately go through GSXR's Wastegate Swap.

Wastegate actuator swap for OM602.962?

Be Aware @ 200K you might be looking at a Tranny Reman in the future.

Also GSXR's W124 Buying Pre-Inspection tips:
'84 300SD sold
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