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Previous Thread Next Thread Print Thread Rate Thread 22r leakdown test #844996 11/03/07 05:04 AM Joined: Oct 2007 Posts: 22 S saylracer OP Need a Spot just performed a compression test and leak down test on my new to me 84 4x4. The numbers are as follows compression- #1-150psi...#2,3,4-170psi leakdown- #1-65%.....#2,3,4-35% Durung leakdown test cylinder #1 was leaking through exhaust and out through the valve cover(PCV hole) Cylinders 2,3,4 were mostly leaking through valve cover( PCV hole) Sounds to me like leakage could be caused by bad valves and valve guides. Am I right in this? Re: 22r leakdown test [Re: saylracer] #844997 11/03/07 02:10 PM Joined: Jan 2006 Posts: 26 Marietta GA. avtech Getting the Wheeling Fever Yep, Sounds like valve's, valve seats, valve guides etc.... Re: 22r leakdown test [Re: avtech] #844998 11/04/07 04:56 PM Joined: Dec 2006 Posts: 233 Mankato, MN, USA Vanishing_Point Wheeler A head job is in order. Re: 22r leakdown test [Re: Vanishing_Point] #844999 11/04/07 11:26 PM Joined: Oct 2007 Posts: 22 S saylracer OP Need a Spot something I forgor to mention....when performing the compression test in cylinder #1 the original reading was 150psi. I then inject some oil into the cylinder and re-checked. The new reading was 8-10 psi higher (158-160)Being that all the other cylinders had good compression could the #1 have stuck rings or does this signal some other damage. Moderated by  4Crawler, 4x4Wire, kewlynx  Hop To Mitsubishi Forums ------  Mitsubishi 4x4 and SUV Tech  Mitsubishi Diesels  Mitsubishi ArchiveToyota Forums ------  Early Toyota Trucks  Toyota 4Runner, FJ Cruiser &...  T100 & Tundra Forum  Tacoma Forum  Toyota Tech ArchiveJeep Forums ------  Jeep Talk  Jeep TechIsuzu Forums ------  Isuzu 4x4 & SUV Talk  Isuzu 4x4 & SUV Tech  Isuzu DieselsKia Forums ------  Kia Talk  Kia Sportage & Sorento TechOff Topic Chat ------  4x4 Gallery  Off-Topic Chat  Recreational Access & Land ...  Politics4xForums ------  Outdoor Gear  General 4x4 Discussion  Tools and Fabrication  General Communications  Amateur Radio  GPS and MapsParts Bin ------  Private Party - Garage Sale  Private Party - Items wanted  Vendors, Hot Deals, Group Buys4x4Wire Back Yard ------  Suzuki Forum  AZ Crawler Crew  Cal-Nev Crew  General Ford 4x4 & SUV Forum  General Dodge 4x4 & SUV Forum  General Chevy 4x4 & SUV ForumFeedback & Testing ------  Problems, Questions, Suggestions4x4Wire Staff ------  Forum Moderators  Problem Threads Print Thread Switch to Threaded Mode 5 Excellent 4 Good 3 Average 2 Bad 1 Terrible View Profile Private Message Follow User Forum Posts View Profile Private Message Homepage Follow User Forum Posts View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts

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