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Old 03-28-2011, 02:57 PM
bigme bigme is offline
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Join Date: Mar 2011
Posts: 8
Default Seafoam - 2.3L Check Valve ???

Reading instructions on running Seafoam thru the engine to hopefully clear up some gunk and lifter noise.

Wondering if anyone can tell me where the "Check Valve" is located on the 2.3L ??? Instructions say to suck the Seafoam up thru the main manifold vaccum line.. no problem.. got that.. but it says to be sure to NOT run it thru the check valve.. can find any signs of a check valve.. but want to make sure im not missing something??? Is the check valve attached to the brake booster ???


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Old 04-05-2011, 04:02 PM
MoundLiferanger204 MoundLiferanger204 is offline
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Join Date: Feb 2011
Posts: 16
Default Re: Seafoam - 2.3L Check Valve ???

run it threw the brake booster line bud hold ur finger over it after removal have a friend start the truck slowly pour the seafoam in an shut it off for 5min if the truck dies u poured to fast
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