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  1. Gary747

    Heater Cable Replacement Questions

    1990 Wrangler - The instrument panel Heater Control has 3 steel cables running to it... one on the bottom and two on the top. While removing that control panel, I had a terrible time removing those top cables. They each had a very rigid square plastic guide (one white, one black) that snapped...
  2. Gary747

    Oil Pressure Switch - What does it do?

    This question concerns the Oil pressure SWITCH sensor, NOT the oil pressure sending unit that registers oil pressure on the gauge. The connector came loose and dangled in the air, but I had no operational change or abnormal indication. Made me wonder, what does this switch do? I'm considering...
  3. Gary747

    Interesting Electrical Characteristic—Windshield Wipers and Side Marker Lights

    This morning I replaced the front fender side marker lights with LED bulbs and new amber lenses. This was very straightforward, no issues. I performed the bulb "change out" with the parking light switch "on" (to verify electrical continuity to the new bulb before assembly) AND with the...
  4. Gary747

    I was shocked... shocked I tell you!

    My rear Monroe Shock Absorbers were leaking, and although replacing them is an easy job, I asked a shop to install new ones while doing other work with the Jeep up on a lift. My only request was that, in a world of "Good, Better, Best", I only wanted "Good". To be honest, I don't know how to...
  5. Gary747

    Manual Clutch Hydraulic Bleeding

    I need to install a new Clutch Master Cylinder "only", without disturbing either the fluid pressure line below the Master Cylinder or the slave cylinder. My question concerns hydraulic bleeding. Method 1.) The Maintenance Manual procedure is to crack the bleed screw under the Jeep with an...
  6. Gary747

    AX-15 Transmission Fluid Report

    I now have about two years on my second AX-15 manual transmission, with about 400K miles on the Jeep. I had problems with the synchronizers not working very well, especially when hot. The gear grinding tendency was bothersome when downshifting, and it was difficult to engage higher gears when...
  7. Gary747

    Transfer Case Gearbox Changed

    1990 YJ, Manual Transmission, 4.2 6cyl. - After 30 years and 397,000 miles, I finally removed the factory-installed 231J Transfer Gearbox. The new "rebuilt" Gearbox was supplied by TheGearShop1945.com. The Gear Shop needed to know if the front axle 4WD was vacuum controlled or electric, and...
  8. Gary747

    A Repetitive Manifold Problem

    1990 Wrangler, 4.2 6 cylinder, EFI Fuel Injection For several years, especially in temps below 30°F, after running awhile at cruising speed, a loud whistle would come from the engine compartment when I removed my foot from the gas pedal (throttle plate full closed). The whistle wouldn't last...