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#1
08-07-2007, 10:23 PM
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How do you perform a compression test?
I'm new to Diesels and I just picked up a 84' 190D 2.2L. I've done
compression checks on gassers but not on Diesel engines. What do you do, disconnect the injector lines and crank it? Thanks. Curt Grand Rapids MI 
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#2
08-07-2007, 10:30 PM
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you go get a test kit.. Harbor Freight has them
remove a glow plug.. screw in the fitting.. attach the lines.. remove the injector lines of course and crank.. the directions also assist in doing the test
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#3
08-07-2007, 10:41 PM
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I did one with the injectors removed. The injector lines were already removed at that point.
__________________
DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 
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#4
08-08-2007, 04:19 AM
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You can use the injector, or glow plug orifices. Just make sure all of either are out, otherwise you'll get a false reading.
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83 SD 84 CD Last edited by toomany MBZ; 08-08-2007 at 04:39 AM.
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