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  1. Thermo

    What would be involved in adding heated mirrors to my XLT?

    When it comes to the power mirrors of our trucks, in the early years, you had 3 possible plugs that came with the truck. You had a power mirror only, you have power mirror with turn signal, and you have power mirror with heated mirrors. So, depending on how your truck was optioned out, you may...
  2. Thermo

    Complete Power Failure

    Brian, first things first. Put the battery on a charger and get it up to 12.6 VDC. It is very possible that if you completely drained the battery, you have hurt it internally and it won't ever be useful again. But, give the battery charger a try first. Some battery chargers may oscillate a...
  3. Thermo

    throttle body spacer

    Baker, in the various truck clubs that I have been in over the years, one of the clubs actually did a test and used like 10 different "vortex" spacers with a truck on a dyno. they even went as far as to take all 10 of the spacers and install them at the same time. The end result, the truck...
  4. Thermo

    Banker with tools vs Cylinder Head

    Rvanbeers, I did something very similar to what you are planning. First off, like was mentioned, the back/lower bolt on each head will need to be loosened and then held up as you go to lift the head off of the block. I was able to get my hand on the backside of the head and use my thumb to...
  5. Thermo

    leaky sunroof

    Firepuppy, maybe I am mistaken. I am going off of memory, working on the neighbors Expy back in 2000 time frame none the less. I did find a pic of an open sunroof and I am not seeing the seal like I was thinking of. As for repair kits, I would say to look on e-bay, but after that, wish you...
  6. Thermo

    Rear driveshaft help

    firepuppy, you need a 12 point socket. from there, put the socket on and wrench away. That is how I got mine off.
  7. Thermo

    leaky sunroof

    Firepuppy, if you open up the sunroof, stick your head out the sunroof so you can get a good look. If you look, there is a well all the way around where the sunroof sits into the body of the truck. On the inner edge of this well, there is a raised lip. That lip as I recall has a rubber...
  8. Thermo

    Radio power wire question

    Banger, you are wanting fuse #6 under the hood of the truck. Not the one in the fuse box under the dash. It should be a 15 amp fuse. Keep in mind that you may also need to look for a 10 amp fuse in a mini fuse block under the dash as this is inline with the radio. I would say to pull the...
  9. Thermo

    biggest tires on stock 1998 exp?

    1998expy, like was mentioned, the biggest tire that you can fit on your truck is a 285/70R17 and be garanteed no rubbing. Now, with that being said, some have managed to step up to 295/70R17's and been just fine (probably because they cranked the torsion bars slightly). With this being said, I...
  10. Thermo

    leaky sunroof

    Firepuppy, with the factory sun roofs, the glass on the outside does not provide a seal. The actual seal is on the inside, facing up to the sky. The seal around the outside of the glass is only there to minimize the amount of water that falls into the void between the glass and the seal. So...
  11. Thermo

    leaky sunroof

    Firepuppy, as for your sunroof, I would start with getting a can of compressed air (like you use to clean your keyboard with and then take some masking tape and wrap the end of the straw to make it about a 1/4" diameter in size. Then place the tape ball up against each of the drain lines and...
  12. Thermo

    Zone 6" suspension help

    Expeditionary, If you have to remove the rear control arms, plan on either having a new bolt or dropping the gas tank. The upper bolt on the driver's side control arms where it connects to the frame can only be removed if you either: 1) drop the gas tank, or 2) cut the head of the bolt off and...
  13. Thermo

    Exhaust question

    Brusky, it is much more advantageous to remove the rear cats as the cat efficiency is directly related to the temp of the exhaust entering the cat. The lower the temp, the less efficient the cat becomes. Sure, we are only talking a few degrees here, but in the life of a cat, that is a big...
  14. Thermo

    Driver Door Lock Problem

    sfc1963, from the sounds of things, your latch mechanism is binding up some and it is pulling the lock shut as the latch is closing. I would first try spraying a bunch of WD-40 into the latch and then see what you end up with. May end up replacing the latch. This all stems from the fact that...
  15. Thermo

    How important is the "big three"?

    Audio-pro, atleast in the 97 Expy's, the fuseable links are 175 amp units. Granted, if you are blowing those, any electronics down stream of them are toast as they have had way too much power pushed through them.
  16. Thermo

    Thermo's new idea

    Jersey, I may stop by your place if you are still living in your same place. Been awhile since I have stopped by. I can then show you what I have in mind and we can do a little bit of playing. Then we can see what sort of "trouble" we can get into. Elvato, as for heat management, these same...
  17. Thermo

    can I do this

    jlp, yes, you can remove the factory tee and put in a brass one. If you have the hoses apart. I would recommend taking some compressed air (regulate it down to around 50 psi until you know things are clear) and use that to blow back and forth through the heater cores. It may be that you simply...
  18. Thermo

    electrical help

    Preston, I know you are not going to like this answer, but it is short and sweet: your radio is on its way out. Seen this tons of time and it has to do with the radio display. Solder joints inside the radio are braking and you are loosing the back lighting of the display. If you are good with...
  19. Thermo

    pulley kit

    RayRay, the underdrive pulleys are a sour sweet deal. Can they net you more power, of course. But, you need to understand how they net you more power. First off, you are going to be spinning your accessory belt slower. The slower the belt moves, the slower the accessories move, therefore...
  20. Thermo

    parking brake light

    1st, sounds like you are going to have to get under the dash and look at the switch on the e-brake. Odds are you will either find that the switch has somehow moved and is sitting too low (therefore is still being made up) or the switch has failed internally (should see a slight gap between the...
  21. Thermo

    Radio power wire question

    banger, if you look at your wiring, there are 2 wires that you need to be focused on. You have a black/pink wire (black wire with a pink stripe on it) that is your switchable 12 VDC wire. The wire that you are more interested in is the white/purple wire. This is your 12 VDC constant wire (for...
  22. Thermo

    Thermo's new idea

    I just had a thought about how to do the lights that might be counter intuitive to most. What about "invisible" off-road lights. I'm sure most of you are wondering what I am getting at. I guess what I am somewhat envisioning is these pieces are only about 1" square (not counting the small...
  23. Thermo

    Electric Fan and towing

    Tom, I mis-spoke, if you have an e-fan and a mechanical fan that both move the same amount of air, the e-fan is going to require less "Power" (not air flow). So, sorry about the confusion. As for the mechanical fan efficiency, it was mentioned in the article that was linked that the...
  24. Thermo

    Thermo's new idea

    Contemplating doing a new mod for offroad lights. I am looking at doing all LED lights. What I have found is 900 lumen LEDs. Then to mount say 10 of them side by side to shine out in front of the truck. I figure that should put out a fair amount of light (would be like having 6 55W off-road...
  25. Thermo

    Electric Fan and towing

    Ok, i am going to toss in my 2 cents on the subject and some of the "thermo-knowledge" as I see it and for others to ponder. First off, making the assumption that both an e-fan and a mechanical fan pull the same amount of air, one would assume that it takes the same amount of air. In reality...

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