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  1. hwy73

    Name/Part number for this sensor on master break cylinder

    That pigtail was added as part of a recall. That leaking sensor was causing F-150's and Expeditions to catch fire while parked and shut off. Seems that sensor is "hot-at-all-times" and when leaking brake fluid would destroy the insulation, a short could occur and start a fire.
  2. hwy73

    Rear AC Warm but Front AC Cold - 1998 5.4L XL 4WD

    I think if you pop the cupholder out on the driver's side third row you may be able to get a look at that blend door actuator and possibly tell if it is functioning.
  3. hwy73

    Front blower motor fuse/relay

    There is a relay inside the blower control module. These units in the panther cars (CV/GM/LTC) suffered from bad solder joints on the board inside.
  4. hwy73

    Rear Air Conditioning

    It appears he doesn't have a full rear A/C system with roof vents, but an auxiliary blower inside the center console to the rear. Using the diagram Capn Don supplied above, the circuit in the center of that diagram needs to be checked for power to the aux blower.
  5. hwy73

    Tech questions

    Check the hose + rubber elbow from the PCV to the rear of the intake. That elbow deteriorates with age.
  6. hwy73

    Front blower motor fuse/relay

    Run a jumper direct from the battery to the blower motor to see if it runs. If should run full speed. If it does, the auto A/C uses a "Blower Control Module" as opposed to the resistor block. The module should be in the plenum just downstream of the blower. What you will see is just the tip of...
  7. hwy73

    ‘99 Exp 5.4 4X4 no heat?!?!

    Check all the grounds in each kick panel to make sure none were left off. When I did the heater core on my 99, I missed one on the driver side. Realized it when the radio went off and on when I drove the truck. Only other thing that didn't work was the parking brake light, go figure that...
  8. hwy73

    Door lights?

    Not the hinge, spray it on the LATCH on the backside of the door.
  9. hwy73

    Confused about front suspension

    What I remember was the 4 x 4's had torsion bars and the 2 wd had coil springs. The 4 x 4 could have air ride or not.
  10. hwy73

    Evap System Mon

    That Evap System Monitor takes the longest to set. It may take 200 or so miles depending on how you use the truck. It requires numerous drive cycles, it won't run unless the fuel level in the tank is between 1/4 and 3/4, and the ambient temperature has to be within a certain range. PIA.
  11. hwy73

    Front Drive Shaft Installation

    You said the previous owner replaced the front tires with smaller ones. This could be causing the issue with the A4WD. The front wheels and back wheels are turning at different speeds. This is what causes the A4WD to engage.
  12. hwy73

    Just picked up my first! A few questions...

    The rear window washer line runs down the passenger side on my 99. There is a splice /joiner behind the passenger side kick panel that came apart twice on mine resulting in a wet floor on the passenger side.
  13. hwy73

    Questions about Compatibility of putting a 2003 engine into a 1998

    Were the 5.4's coil-on-plug from the beginning? The 4.6's did not get it until 2000.
  14. hwy73

    1st Gen foglight install/aftermarket

    My 99 XLT did not come with foglamps. I bought the entire kit from Ford which included what appeared to be a complete wiring harness including a relay, and wiring to the switch. Upon installing the foglamps, I discovered the wiring and connectors already present behind the bumper, which plugged...
  15. hwy73

    3rd row seat question?

    Fold the top of the 3rd seat down. Pull the adjustable strap of the center seatbelt between the cushions toward the rear of the vehicle. Slide the buckle to the end of the strap. Rotate the 3rd seat forward leaving the front “feet” engaged in their attaching points. Toss the long strap over...
  16. hwy73

    How interchangeable are third-row seats?

    It should physically fit a 97 to 02. The seat covering was vinyl in leather trimmed models if I remember correctly, and cloth on the standard XLT's.
  17. hwy73

    Installing Rear AC on expedition that did not

    .
  18. hwy73

    Adding power to pass side seat of 97

    "P I N E Y" EDIT
  19. hwy73

    Dual Exhaust?

    I have this Gibson kit on my 99 XLT 4 x 4 4.6 Fits perfect. 3" single-in / 2.5 inch dual out Fits perfect. https://www.carid.com/1999-ford-expedition-exhaust-systems/gibson-extreme-dual-exhaust-systems-3731551.html
  20. hwy73

    98 Expedition blend door

    I slit the carpet down the middle for about 6 - 8 inches from the front edge to expose the duct. Then I cut across just the top of the duct a few inches back from where it joins the heat outlet. This allowed me to fold the front section of the duct under itself to make clearance for the heat...
  21. hwy73

    Milestone

    I know many have reached it, but I think significant nonetheless.... 99 XLT 4x4 4.6 3rd row rear air captain's chairs/console trailer tow
  22. hwy73

    Changing Gear Ratio

    Plus the cost, because on a 4 x 4 truck the "front" has to be changed to match the "rear" ........yes?
  23. hwy73

    1997 Exp Rear Window Washer Hose

    My 99 leaked when a splice/connector came apart in the passenger side kick panel. Fluid ran out the right-front door sill and onto the ground behind the right-front wheel. Hose apparently runs to the back in the door sill channel.
  24. hwy73

    Trans not shifting

    I think Iminyourchair is on the right track with this. Is it not shifting into overdrive until it warms up or is the torque convertor not locking until the trans warms a bit? which is normal operation I believe. This is done to bring the trans fluid up to operating temp. quicker, as an...
  25. hwy73

    Nearly three years later, back to an Expedition.

    I'm wondering what he does in law enforcement that his gear takes up so much space...swat? Blank ticket books....right SL1470? Welcome back, that's the best color, if you ask me.

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