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Engine Discussion of preventative/corrective maintenance and other technical issues regarding your coach's engine.

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  #1  
Old 11-06-2013
Alan Alan is offline
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Default Turbo Inspection

Tomorrow I am having the exhaust replaced on my LXi. The person who is doing it suggested that as long as everything is apart that we should inspect the turbo. What should I be looking for? What conditions would require replacement? The Coach has 119,000 miles, are there usually any problems at this mileage?
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  #2  
Old 11-07-2013
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giderich giderich is offline
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Check turbo endplay, runout, and most importantly look for FOD.

Check hoses, piping and clamps.

Your mechanic should have the specs....
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1999 43 LXI Single Slide Body # F124510
2005 JEEP Liberty Limited CRD (diesel Toad)
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  #3  
Old 11-07-2013
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Mallie Lennon Mallie Lennon is offline
1995 WB 42’ Series 60
 
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My mechanic inspected mine when I redone the exhaust.

both blades should be free of nicks or imperfections.
No bearing movement up and down on either end
Smooth bearing turn
slight end play is acceptable.
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  #4  
Old 11-07-2013
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iamflagman iamflagman is offline
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Quote:
Originally Posted by giderich View Post
Check turbo endplay, runout, and most importantly look for FOD.

Check hoses, piping and clamps.

Your mechanic should have the specs....
Dick,

You may want to explain this, not everybody knows the definition and it isn't found under Wanderlodge Owners Group > General Discussion > Feedback > Using Abbreviations and Acronyms In Your Posted Messages And What They Mean
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  #5  
Old 11-07-2013
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giderich giderich is offline
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Default FOD (Foreign Object Damage) FOD (Foreign Object Debris)

FOD (Foreign Object Damage) is often caused by FOD (Foreign Object Debris).

The turbo vanes can be damaged by any foreign object accidentally left inside the air cleaner housing by the inspecting mechanic. Never run a turboed engine without the proper air cleaner in place!

Quote:
Originally Posted by giderich View Post
Check turbo endplay, runout, and most importantly look for FOD.

Check hoses, piping and clamps.

Your mechanic should have the specs....
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Dick & Patsy Gideon
1999 43 LXI Single Slide Body # F124510
2005 JEEP Liberty Limited CRD (diesel Toad)
SOLD 89 FC in 2012; SOLD 88 WB in 2016
Rolla, MO 65401
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  #6  
Old 11-07-2013
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Labrador Labrador is offline
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While the exhaust is apart it is easy to go ahead and rebuild the turbocharger. You should be able to get it rebuilt for around $400 and you will be good to go for another couple of decades.

Rebuilders usually take apart the turbo, sandblast the housing, inspect and clean the vanes, replace the bearings, rebalance the shaft, and put it all back together. Turn around time at the shop I use is 24-48 hours. If your core unit is good they might just swap your unit out for another that has already been done.

It is much easier and cheaper to do while you already have the exhaust apart, and the rebuild is about 1/3 the price of a tow alone if the turbo fails on the road.

Anybody who has dealt with a runaway engine caused by a turbo failure will preach the gospel of proactive turbo rebuilding.

To see a runaway engine: http://www.youtube.com/watch?v=Lmgx__Xvt-8
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