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    1997 expy electric fan install

    It is exactly the same for the 5.4L. So everything I did you can copy over to the 5.4L. The only real hiccup were the trans line fittings. I'm still at a loss as to why they were different. Also why I couldn't find a adapter from one line nut size to the other. The line size from 1997-2003 is...
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    1997 expy electric fan install

    That's something I have already battled with. I had to back the coolant temp sensor out with the truck running and my friend in the drivers seat, waiting to shut the truck off if it sprayed. It bled some of the air out. But the dash sensor still doesn't work. The switch for the fans does. So to...
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    98 Navigator 5.4l 4x4 Rattling Noise

    Have the catalytic converters been replaced? Just from the description it sounds like a chunk of the material has broken inside the cat. That's the rattling noise you're hearing.
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    My work in progress in my truck *Warning Your Are Entering Redneck Territory * :)

    I'm a little late to the party, but I think it looks pretty good. I dont think there was enough done on the doors. But I dont know what else you could wrap!
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    Few photos of my ~900 mile trip

    Holy mother of all Canadian Geese! Pretty cool trip photos! Any chance of getting the rest of the trip?
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    1997 expy electric fan install

    Here are some more pictures of the install. This one is the switch I used for my fan override and my 6" lights. I paid $5 for 5 of these off Ebay. This was me sliding the radiator fan assembly in place. I'll have to retake this picture with some better light to show the clearance I gain from...
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    Just came back from a 1,000+ trip

    Check the two hoses on the drivers side of the throttle body. Mine had disintegrated on the back side. Then check around the EGR tubing for leaks. There are write ups on how to check for vacuum leaks in the Tech section.
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    Beeping noise

    Sounds like the bulb on the dash for the airbag is burned out.
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    Just came back from a 1,000+ trip

    Sounds like a fun trip! Good to know the Expy made it for you without too much trouble. Probably a vacuum leak that set the code. But let us know!
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    1997 expy electric fan install

    I finished the project tonight. I still have a few loose ends. I tried hooking into the high pressure switch for turning on the high speed fan when the A/C is turned on. But since the controller is activated by ground, every time the connection to that switch was plugged in the fans came on. So...
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    Lowering the front

    It'll probably feel a little softer. But unless you're running heavy tires, it may not make that much difference. The good thing is you'll have measurements and can re-set it to what it was if you don't like it.
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    Lowering the front

    Torsion bars will help you do that. Make sure to take measurements before you start. This will ensure you make both sides even and you can track the amount you needed to lower it.
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    Tranny help

    I hate to tell you this and maybe you already know. But your trans. needs to be rebuilt. It seems likely your pump failed.
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    1997 expy electric fan install

    Nice work on the shroud! Looks good! So last night I was very hopeful to finish my install. But I ran into a few problems. The first problem is the trans. lines. If you have a 1997 and you order the radiator in the link I posted. You will need an adapter to up-size the trans lines. On 1998...
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    1997 expy electric fan install

    This is why I have the torque app.
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    1997 expy electric fan install

    Its pulled through the radiator from the outside air into the engine bay. There are fans on certain cars that are secondary fans that push the air through the radiator. The "pusher" fans are less efficient than "puller" fans. So you have the right idea!
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    1997 expy electric fan install

    I am not a fan of mechanical fans at all. I dont like the drag they put on the motor. Plus I feel electric fans can do a better job of cooling the radiator. Plus I am going to wire in an override. That way I can run the fans with the engine off. I have done this mod on two other vehicles and...
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    towing 1998 exb0 4x4

    I'm running 3:55's towing a 3800-4000lb. camper in the mountains and my 4.6L does pretty good. I keep up with traffic and its stable at 65-70 mph. I'm also getting 10 mpg this way. I personally think the PI swap is a good idea. Also adding a programmer is a good idea as well. Both of those...
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    1997 expy electric fan install

    Oh, I so know how that is!
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    1997 expy electric fan install

    Then I painted everything black so it doesn't stick out. I started disconnecting the radiator in the truck. I've unhooked everything but the lower hose. That will come tomorrow night...
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    1997 expy electric fan install

    I used the threaded clips they provided for the top holes on the bottom tabs to hold the metal brackets in place. I reused the threaded clips from my original radiator on the top holes. I also made the bracket longer and wrapped it under the bottom of the tab. I had to break the threaded clip...
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    1997 expy electric fan install

    I was able to get some work done tonight. This will outline mounting the fans to the radiator. It is almost a perfect fit. There are some mild modifications to be made to the fans, but everything is very simple. To start off the drivers side upper mounting slot needs to be a little longer...
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    Extra fuel tank sensor in HD Tow Package Wiring Harness

    I can not fathom why they would need extra sensors in the fuel tank. I'm a mechanical engineer and my only guess as to why could be to do with the Automatic Braking system they started putting on SUV's. So that in the event you take a corner too fast it applies the brakes to keep you from...
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    towing 1998 exb0 4x4

    Dont over do it. I know it sounds weird. But, 3:73's are probably optimal for pulling and going 4:10 would ruin anything as far as highway pulling.
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    1997 expy electric fan install

    So far here is my break down of cost. 1. Volvo controller - $25.95 shipped 2. Radiator - $115 shipped 3. Fans (local junk yard) - $33.16 after taxes 4. Be cool switch - $30.67 shipped 5. Misc. wires and connectors - $25 So my total is $229.78. But without having to up size my radiator I'm at...

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