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  1. santiagol

    AFM or Plug wires

    .044 is fine. The fuel filter is located inside the frame in the area under the air filter and the oil filter, a bit of a PITA what with the inevitable fuel spill and awkward work area. The EFI relay is a common starting problem in '91 and cheap to replace. Do a search and perform the EFI relay...
  2. santiagol

    turn the key....nothing

    I had the exact same thing happen, the starter went dead when hot but works fine cold. Next time it happens, whack it with a piece of 2x4 or similar and if it starts OK then your contacts are sticking and you need to overhaul or rebuild your starter. This whacking business is a diagnosis aid and...
  3. santiagol

    PO420 code catalyst eff. below threshold What does this mean?

    No need to change both sensors this code is for the downstream sensor. I hooked up a scanner when my Lexus came up with this some months ago and, exactly like Gumby says, the downstream sensor was fried - completely flatlined. Replaced it and never saw the code again. Question: I seem to be...
  4. santiagol

    Radiator hose, 1 1/4 or 1 1/2?

    1 1/2 and 5/8 for the heater. Look it up at www.dayco.com, also got info on belts.
  5. santiagol

    91 Landcruiser Electrical problem

    If the hot starter wil not turn at all, give it a good whack with a socket extension or a 2x4. If it starts, then you need a starter overhaul or a rebuild. Also make sure your EFI relay cable upgrade has been done and your EFI relay is not fried.
  6. santiagol

    New 91

    Do the EFI Main Relay wire upgrade from 12 gauge to 10 gauge. Otherwise keep a spare EFI Relay on hand, they tend to cook from the 12 ga wire heat and the truck will turn over but not start - no fuel delivery.
  7. santiagol

    Power Steering Leak

    Just last weekend I changed my leaking PS low-pressure return hose. With heat and age it had become so hard and inflexible I had to cut through it with a knife and remove the two sections - again by slicing through the hose. When hose becomes this hard there is no way the hose clamps can make a...
  8. santiagol

    Headlight buzzer ?

    I just completed this and it worked perfectly in my '91, one hour of labor and 99 cents of parts (a pack of two 1n4004 diodes from Radio Shack) - best mod for under $1! Thanks Wayne from Yahoo 3FE.
  9. santiagol

    automatic download of service manuals FSM

    Good site to download wget for windows: http://gnuwin32.sourceforge.net/packages/wget.htm if you download/run from the "Setup program" link everything will be installed using the defaults and the program can be found, from the command prompt, at location C:\Program Files\GnuWin32\bin...
  10. santiagol

    1996 LC A/C warms up at idle

    The best thing I ever did for my truck was adding a pusher fan. Not only is the A/C always great, but I have had NO engine temp problems in traffic, 95 degree weather, hill climbing, etc.
  11. santiagol

    foam in radiator

    Since you just bought this truck, I can see the PO wanting to eliminate some minor radiator leak with a "miracle cure" gunk that simply did not get along with Prestone. The fact that your overflow bottle went low also points in this direction. Look out for leaks after you flush and refill...
  12. santiagol

    Help With Wind Noise

    Petroleum-based Vaseline destroys rubber, use silicon lube (how many children do you have?)
  13. santiagol

    Signs of water pump failure? (long)

    The auxiliary fan installation solved my heating problems to the point where I am not even aware of the fact that the fan is there - the whole issue is gone from my mind.
  14. santiagol

    Engine won't Start, but cranks over

    Is there any advantage to using a fusible link over an inline fuse? Other than manufacturing cost.
  15. santiagol

    BG Trans Flush Opinions?

    IIRC CDan recently dicussed transmission flushing and flat out said not to do it. No ifs or buts.
  16. santiagol

    Hydraulic lifter noise?

    "smooth as silk. Runs fine; no smoke; passed smog; oil pressure high on the stock gauge" - sounds like it aint even remotely broke, why are the Jiffy Lube guys wanting to fix it? Next thing you know they will try to stick a cheap oil filter in there.
  17. santiagol

    Popped the front breather valve

    I disassembled the "loose and jiggly" cap, removed the flapper and reused the cap assembly at the end of the new extended 1/4 inch fuel line, which I attached to the base of the fuse block. I think it looks better than a fuel filter and allows the diff to breathe just fine.
  18. santiagol

    aux. fan in purchased cruiser

    The cooling fan in my '91 comes on only if the engine gets very hot after shutdown. It may not be essential but I feel it does no harm to cool off the exhaust manifold area, even more so if the day is hot. There is a test in the FSM, I think you connect the motor directly to your battery, if it...
  19. santiagol

    Complete Noob 3FE Tuning..

    Rough idle can be caused by vacuum lines that get hard and brittle with age, they are cheap and easy to fix and replacement line can be purchased just about anywhere. I would start with that mainly because you mention that the truck was used in higher elevations and is now at sea level, so...
  20. santiagol

    Leaking Valve Cover after oil change

    If you have a high milage engine and have been using regular dino oil, the seals/gaskets probably have a "protective" layer of old gunk and sludge that actually prevents leaks. If you just switched to synthetic oil, the additional detergency plus the better flowing properties of the oil will...
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