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New Holland ls170 is my turbo working correctly?

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topfli8979

Well-Known Member
Joined
Sep 3, 2016
Messages
51
Location
United States
My wastegate linkage on the turbo never moves while engine is running at any throttle position. The linkage is free I can manually move it. Should it be moving?
 
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thepumpguysc

Senior Member
Joined
Mar 18, 2010
Messages
7,538
Location
Sunny South Carolina
Occupation
Master Inj.Pump rebuilder
A waste gate is designed to dump off excessive pressure build up and forcing to much air into the cylinders.
The real problem accurs when they get stuck OPEN & theres NO air pressure being fed into the cylinders..
Don't worry about it.. it sounds like your not stressing out your engine enough for it to open.. that's a good thing..
 
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Delmer

Senior Member
Joined
Jan 3, 2013
Messages
8,891
Location
WI
How can you see the wastegate when it's under load? Put a boost pressure gauge on it temporarily if you're worried. There's usually a port, all you need is a threaded barbed adapter and some tubing, and a pressure gauge.
 
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thepumpguysc

Senior Member
Joined
Mar 18, 2010
Messages
7,538
Location
Sunny South Carolina
Occupation
Master Inj.Pump rebuilder
Delmer, your right on.. a waste gate wont open, sitting in the yard, reving the engine w/ the hood up..
It has to have a line hooked to it, run to the cab and read while the engine is working.. HARD..
If your looking for a low power problem, a stuck closed WG, probably aint it..
 
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