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89 building up too much pressure

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Old 03-31-2011, 10:54 PM
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Default 89 building up too much pressure
my 89 7.3 is building up too much pressure and causing blow by why is it doin this??? its confusing the heck outa me!
 
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Old 04-01-2011, 01:20 PM
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from the factory these engines have blowby at idle. rev it up, does it go away?
 
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Old 04-01-2011, 07:02 PM
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na ill be drivin down the road and itll start doin it, sometimes itll do it sometimes it wont but its doin it alot more now. and its loud as hell
 
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Old 04-01-2011, 10:39 PM
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how can you see blowby driving down the road?
 
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Old 04-01-2011, 10:46 PM
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Originally Posted by DieselCrawler
how can you see blowby driving down the road?
exactly what i was thinking....
 
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Old 04-02-2011, 10:14 PM
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cause ill pull into a lot and check it while its still doin it
 
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Old 04-02-2011, 10:18 PM
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if you pull into a lot your not driving though. check it when its revved above idle
 
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Old 04-02-2011, 10:26 PM
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the cdr valve on these engines does not flow alot at idle. anything above idle and it will pull crankcase gasses into the intake and burn them off. where is the blow by coming out of?
 
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Old 04-03-2011, 02:05 PM
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it blew out my head and valve cover gaskets and thats where ive felt it blowin out of
 
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Old 04-05-2011, 10:36 PM
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nevermind i fixed it
 
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