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  #1  
Old 07-07-2009, 01:30 AM
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Compression Test 7.3

How would I go about to do one??



-Disconnect valve cover gaskets
-pull glow plugs
thread in compression tester
crank engine by starter???
Record # (what numbers should I be looking for)
orrr??....
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Old 07-07-2009, 01:33 AM
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Re: Compression Test 7.3

Pull ALL the glow plugs and the PCM fuse.

Thread in the tester, crank the engine with the starter, count 4-5 puffs. The first puff and the last puff are most important.
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Old 07-07-2009, 02:24 AM
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Re: Compression Test 7.3

throw a batt charger on while your doing it.
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Old 07-07-2009, 02:54 AM
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Re: Compression Test 7.3

It is a good idea, but with the glow plugs removed they wont be fighting compression.
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Old 07-07-2009, 03:19 AM
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Re: Compression Test 7.3

you can also just pull the idm relay so it wont fire as well. Thats the "by the book" method
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Old 07-07-2009, 07:11 AM
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Re: Compression Test 7.3

Quote:
Originally Posted by thunderstroke View Post
you can also just pull the idm relay so it wont fire as well. Thats the "by the book" method
Ill do that, I dont know where the PCM fuse is anyway.
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