Yeah need to do my check valve mine defaults to floor right now with ac on under load
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1989 mercury grand marquis gs / 2014 ford focus s daily driver
302 lopo with ho upper/ aod with trans go shift kit
k code 3:55 posi rear/big brake swap tow package car
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mine just has a tendency to go to defrost when you have your foot on the floor not a big deal in the winter but it will become a big deal as soon as summer comes back.Comment
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the hot/defrost thing is definitely a loss of vacuum. could be a number of places, the check valve is just one of them. its easy enough to test, just see if the check valve leaks. If you can blow through it in both directions, its plenty leaky enough to cause a problem.86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousersComment
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its definately a leaky check valve ive had two motorcraft ones both were no good upon purchasing and ive tried two generic check valves from the help section at the local auto parts store one lasted a month or so the second went out yesterday. If the motorcraft ones actually worked I might buy another but two bad ones in a row makes me wonder.Comment
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Might have been a "bad batch", which you were lucky to be part of. Usually their parts do last.
"Hope and dignity are two things NO ONE can take away from you - you have to relinquish them on your own" Miamibob
"NEVER trade your passion for glory"!! Sal "the Bard" (Dear Old Dad!)
"Cars are for driving - PERIOD! I DON'T TEXT, TWEET OR TWERK!!!!"Comment
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