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    1988 5.7 hardly drives after CL122494 comp cams install

    https://www.gmt400.com/ GOTTA be timing.. Had a guy replace my old Yukon distributor and he did the "set TDC" without disconnecting the advance wire. Around the block drive and it DOGGED. Muffler/Cat were HOT! Went back, discussed the right way to time it, he fixed it and I drove off with a...
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    96/97 Fuel pump replacement tutorial (with bed cut)

    QUOTE "just moisten it with petroleum jelly." Think I recall reading that petroleum-based stuff not good for some kids of rubber and gaskets?? Would typical Silicone Grease be better?? As good?
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    Fuel Pump replacement questions.

    Then there's my approach: Carefully figure clearance and use a sabre saw with a metal blade to cut a rectangular hole in the rear floor. File the sharp edges a little. Cut a piece of 1/2" pressure treated plywood 3 inches bigger both ways. Screw/glue the removed metal piece evenly on the...
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    88-98 Service Manuals

    Thanks SO much, :smoke: !! I'm keeping my 92 Yukon ForEver... Terry in Vermont
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    92 GMC Yukon - Rockers, body parts??

    Hi Everyone, Badly need to do rocker panels on my 92 Yukon. Tried FixMyRust and BrownsOfTwoRivers. No luck. Please suggest other suppliers.. Thanks! Terry
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    GM Crate Motors

    Once I heard that oil seals on the exhausts would not allow enough lubrication and would result in early valve guide wear.. Anyone KNOW more about that??
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    Is this a fuel or an electrical problem?

    How many miles on this engine? I had similar on 92 Yukon 350; it was worn distributor.
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    92 Yukon w/ new 5.7 engine w/ 20000 miles on it: Engine Oil?

    Hi Everyone, I have free access to some Shell Rotella T4 oil 5w-40 which is high quality recommended for diesels. Any reason I shouldn't use this in my regular GM350? Thanks!
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    Troubleshooting: Suddenly No Spark: 92 Yukon 5.7L

    Hi Everyone, I would really appreciate pointers on troubleshooting my hardworking old friend 92 Yukon. Running fine, stopped in the yard. Next day won't start. Cranks fine, but not even a cough. Smell fuel at exhaust. Direct connect ignition coil to test sparkplug: No Spark. Replaced ignition...
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    External Antennas: How to route/weatherproof cables??

    I want to install a couple of external antennas on the roof of my Yukon (Also my later Tahoe). What is a good way to get antenna cables from inside to roof? I'm OK with making holes if it can be done well and weatherproof. Typical cables are less than 1/4 inch diameter but have...
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    my 4l60e buuldup

    Please tell us more about what information / book / experience you are using. Many of us have done engine top / bottom rebuilds, running gear stuff, and feel confident of that, but the internals of Auto Transmissions seems beyond us. How did you get past that? Thanks!
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    4L60 bad after long Winter Nap: Solved

    OK, got Sgt. Preston in the barn over the pit. Sure enough, about 2 quarts of ATF came out the upper transfer case plug. Mystery Solved. And Don't Do That! (Park very nose-up all Winter!) Thanks for all the help here...
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    4L60 bad after long Winter Nap: Solved

    OH. Guess I better check the transfer case level! Might be a little high??
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    4L60 bad after long Winter Nap: Solved

    Hi, Just one more experience / symptom to relate: Parked my faithful 92 Yukon very nose-up in the yard for the winter, not wanting to tell it I bought a 2012 Tahoe. My wife said, "I don't want to make you feel bad, but maybe you can just consider your Yukon as the Work Truck." So Sgt...
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    new tranny speedo, and odometer don't work

    When mine did that it was very intermittent.. it was the buffer/DRAC unit..
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    Um, NOT shiny body parts? Need a 92 Yukon Tailgate Shell

    Hi, Looked thru a lot of Body Parts online and see all the fix-it panels and doors, hoods etc. But I need the rear tailgate metal shell; mine is really rusted out. Anyone seen this available? I don't want to approach this one with West Epoxy... Thanks! Regards, Terry King ...In The...
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    Keeping the old 92 Yukon, but got 2012 Tahoe/Yukon: Any forum like THIS?

    This forum has been a fantastic help keeping my 92 Yukon running well. Learned a LOT. But we recently bought a 2012 Tahoe branded truck, and I HOPE there is a forum you can suggest that might be anywhere near as knowledgeable as this one, for those later GMs. Regards, Terry King ...In...
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    92 GMC Yukon: Need new Radio/Stereo that can FIT??

    OK, that's a good solution; ordered one on Amazon... THANKS!
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    Convenience Center Died: 1992 GMC Yukon SLE 5.7 etc.

    Thanks Richard, I'm digging! Terry Found It!! Bad wire at connector behind glove box.. Red wires, 1 larger through connector, 1 smaller that was corroded and burned. Photos to follow (Click for larger): The Bad wire.. in 6-pin connector. Wires cut away from connector. Removed bad...
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    92 GMC Yukon: Need new Radio/Stereo that can FIT??

    Thanks for the pointers, Guys... I think I'll do the 'fit a DIN' thing. Any ideas on what to do / hide the original??
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    Towing with a 4L60e....overdrive?

    After a 4L60 (Same mechanical parts) failure and replacement by the dealer, the very experienced transmission guy who tows himself said, "Always tow in D (3rd)".. So I'm listening to him!
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    92 GMC Yukon: Need new Radio/Stereo that can FIT??

    Hi, These Yukons had a separate radio/amp under the dash and a Control Head that is the user interface. That unit is not very deep, and typical "Car Radio Size" units are way too deep to fit. Has anyone found a good aftermarket Radio/Stereo that will fit in this beast?? My OEM unit is...
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    92 GMC Yukon 5.7 4L60 - MegaSquirt Installation??

    Hi, I'm about to approach this upgrade on my Yukon. I want to have a more long-term reliable Engine Controller, and I have some intermittent surge/miss problems that I need to solve. Has anyone installed a MegaSquirt2 or similar in this era 400 vehicle? I would love to get a copy of the...
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    Convenience Center Died: 1992 GMC Yukon SLE 5.7 etc.

    Hi, The (In)Convenience Center (All the blower, heater, AC controls etc) panel on my 92 Yukon was intermittent (went dark ,no buttons worked) a few times over a few months. Now it's 100% dead for a month+. Any ideas or suggestions?? Anyone heard of this problem? I do have a diagram but not...
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    My wiring diagram repository (try here first)

    Hi, Have my original 92 YUKON LTE 5.7L 4L60.. Need a decent diagram; the aftermarket manual I have sux.... Any suggestions?? THANKS!
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