Recent content by Tim Denning

  1. Tim Denning

    No Oil Pressure at Idle

    Follow up: I've replaced the oil pump and rolled in new Main and Rod Bearings. I now have about 60 psi at startup and about 30 psi after warmup. I don't have time for a full teardown right now so we'll see how it goes. I replaced the main and rod bearings out of an abundance of caution...
  2. Tim Denning

    No Oil Pressure at Idle

    Update: I may have found the reason why I had no oil pressure. It looks like the oil pump may have been damaged by some FOD although I don't know how it made it past the pickup screen. The pump and pickup were brand new. The damage on the outer pump and pump lobes match up. Whatever got...
  3. Tim Denning

    No Oil Pressure at Idle

    Thanks, it feels like I did put a gasket on the pump so I'll check that when I pull the pump off. One thing I forgot to mention was that I did the timing tensioner mod that replaced the cam plate with a timing tensioner/cam plate combo. I don't know if that had an effect. Here's a small...
  4. Tim Denning

    No Oil Pressure at Idle

    1986 D150 318 - I had a broken bolt hole where the fuel pump connects to the timing cover so I ordered a new cover, water pump, and timing chain. Since I was down that far, I decided to replace my rear main seal as well as the oil pump since I was having a low pressure issue (probably down to...
  5. Tim Denning

    Cabin Pressure Relief

    Do the first gen's have a cabin pressure relief vent? If so, can you tell me when it's located? I can barely shut my doors unless one window is down or the manual side vent (by the parking brake lever) is open.
  6. Tim Denning

    Transmission Leak - At My Wit's End

    That's true. I tried to make sure I torqued to my book spec which is 96 inch/lbs. Of course, that assumes my Lowes torque wrench is accurate.
  7. Tim Denning

    Transmission Leak - At My Wit's End

    1986 D150 with A904 Automatic. Trasmission was slipping and leaky so I rebuilt it. After rebuild it worked great but the stamped steel pan was still leaking. Dropped the pan and replaced with high capacity cast aluminum unit from Summit along with Lube-Locker transmission gasket. Still...
  8. Tim Denning

    Differences Between 22 and 30 Gallon Fuel Tanks

    Ok thanks! Mine is definitely the 22 gallon tank based on the picture.
  9. Tim Denning

    Differences Between 22 and 30 Gallon Fuel Tanks

    Can someone tell me if there is a visible difference in size between the 22 and 30 gallon tanks? I believe that my tank was replaced because there are 2x4s under the tank between the straps and the tank. That makes me think the tank used to be larger and was replaced with a smaller one. My...
  10. Tim Denning

    Need Oil Pressure Gauge Education

    Just wanted to give an update. I replaced the oil pressure gauge with a new sending unit. The dash gauge worked but seemed to expose another problem. I discovered that all of the 5 volt sensors were reading extremely low (This is probably why the gauge was changed to aftermarket in the first...
  11. Tim Denning

    Need Oil Pressure Gauge Education

    My 1986 D150 has an oil pressure gauge that has been bypassed and replaced by an oil fed mechanical unit. I would like to remove the aftermarket item and return to the original gauge in the dash. I've bench checked the gauge and it is working so I'm assuming that either the wiring or the...
    • Tim Denning
    • Thread
    • oil pressure gauge oil pressure sending unit oil pressure switch
    • Replies: 2
    • Forum: Tech Info
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