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  1. Replies
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    Re: Heavy voltage fluctuations while driving

    I don't remember actually, since it was a couple of years ago and I've done lots of other wiring work since then. I think a break in just about any of them could produce your symptoms. There's also a...
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    Re: Heavy voltage fluctuations while driving

    As long as the belt isn't slipping (you'd probably hear it), I'd suspect a break in a wire from the alternator that intermittently looses continuity from vibration or something. That happened to me....
  3. Re: 87 2WD AUTOMATIC REAR TRANSMISSION OIL SEAL LEAK

    I found this patent application from Toyota in 1984 that explains what this tube is for (more reliable lubrication for the bushing). Since that's around when my van was built, maybe it wasn't...
  4. Re: 87 2WD AUTOMATIC REAR TRANSMISSION OIL SEAL LEAK

    Hmm... Now I'm a bit worried. My '85 van has a different transmission than the 2nd gen vans so at first I assumed that tube in your picture was for the 2nd gens or something, but then I looked up a...
  5. Re: 87 2WD AUTOMATIC REAR TRANSMISSION OIL SEAL LEAK

    I have the 1985 factory service manual. The only reference to the tail housing is in the governor servicing section. That's where it mentioned removing the gas tank bracket. As far as the seal...
  6. Re: 87 2WD AUTOMATIC REAR TRANSMISSION OIL SEAL LEAK

    I just replaced the seal and bushing on mine over the last couple of days (my van is a 1st gen 1985 automatic). I'll attach a bunch of photos and a description below, but the short answer is "no",...
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    Re: Water leaking in behind glovebox

    On mine, it was coming through the windshield washer nozzles on the front of the van. They are sealed to the van body by gaskets that were all brittle and broken with age. I removed the nozzles...
  8. Thread: Speedometer

    by MarkH
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    Re: Speedometer

    I just re-read your post and noticed that you said your odometer still worked. If your van is like my 1st gen van, the same cable turns both so it would be strange that the cable reliably turns the...
  9. Thread: Speedometer

    by MarkH
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    2,317

    Re: Speedometer

    In my '85 van, the speedometer stopped working, but there was no nasty noise of anything. I checked where it screwed into the back of the gauge cluster and it seemed fine. I unscrewed it and pulled...
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    Re: Fan Clutch... How to bench-test?

    I put mine in a lathe I had access to at work to make it spin at about 800 rpm. I stuck a piece of cardboard carefully in the fan blades when it was spinning while cold to see if the fan would stop...
  11. Re: intermittent sputtering and stalling in 84 - fuel pump/filter?

    My fuel pump seemed to run ok, but the van would stall when driving at higher than idle. I checked the pressure and it was about 20 psi, which is low. I replaced the pump and then everything ran...
  12. Thread: Wheel alignment

    by MarkH
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    Re: Wheel alignment

    Here are the specs for the 1986 2WD according to the factory service manual:11886
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    Re: 1986 stalling issue

    Particularly the STA-E1 should have 6-12V during cranking.
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    Re: 1986 stalling issue

    I'm not aware of any details about how the logic of the computer works (I don't think it's in the manual), but if some signals to the computer are not there, the computer should still let the van run...
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    Re: 1986 stalling issue

    According to the wiring diagram, the cold start injector doesn't go through the ECU so that would explain why it is firing and not the main injectors. Here's the link again to the section from the...
  16. Re: Ignition switch question.

    Check the fuses. If someone was trying to touch random wires together, some of them might be blown.
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    Re: 1986 stalling issue

    11859
    I attached the EFI portion of the factory service manual for the 1986 vans. The picture below is from page 36 I think:11860
    Here are some pictures from the same manual for physically testing...
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    Re: 1986 stalling issue

    I've never done this before so I don't know if it would work, but maybe try disconnecting the wiring to the injectors, putting a volt meter on the wiring, try to start the van and see if there is a...
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    Re: 1986 stalling issue

    Actually, that would be a good idea too, to try the carb cleaner by itself without the fuel pump running. This could rule out too much fuel being dumped through the injectors.
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    Re: 1986 stalling issue

    I have a 1st gen van (1985), so things might be slightly different with your 1986 2nd gen, but as far as I know, opening that flap in the intake to turn on the fuel pump switch shouldn't do anything...
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    Re: 1986 stalling issue

    One last thing, if there are any splits in the rubber intake hose (which can sometimes be hard to see), it can create enough of a vacuum drop in the intake that the fuel pump switch flap can't stay...
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    Re: 1986 stalling issue

    To verify if it's a fuel delivery problem, I'd try spraying carb cleaner or something flammable into the intake when starting and see if it continues to run (probably roughly), while continuing to...
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    Re: 1986 stalling issue

    One should be the temperature to the computer and the other is the temperature sender to the gauge in the dash. I'd still try jumpering the fuel pump test connector and try starting the van that way...
  24. Re: Need help with Code 2 and 8 for stalling 86 Van

    One last thing to rule out the fuel pump shutting off when starting because of a faulty fuel pump switch in that box on the air filter housing (that shuts off the fuel when no airflow to the intake...
  25. Re: Need help with Code 2 and 8 for stalling 86 Van

    According to the fault guide:http://www.toyotavantech.com/forum/content.php?195-Diagnostic-Codes-for-Toyota-Vanwagons-all-years, one source of all codes could be a fault with the ECU (computer)....
  26. Re: Need help with Code 2 and 8 for stalling 86 Van

    I'd also take off the rubber intake hose from the airflow meter housing to look inside and make sure none of the components are seized-up. Maybe spray some contact cleaner or carb cleaner in there as...
  27. Re: Need help with Code 2 and 8 for stalling 86 Van

    Before replacing anything, I'd check the wiring connectors for those components and make sure they're connected and that there is no corrosion build-up in them. Maybe disconnect the wiring connectors...
  28. Re: Testing fuel system / replacing fuel pressure regulator

    Also, there is that flapper-type valve in the air intake that makes a switch to run the fuel pump. If that switch is faulty or the valve is not opening properly, the fuel pump will shut down. When...
  29. Re: Testing fuel system / replacing fuel pressure regulator

    I think if the signal from the O2 sensor goes out of range (too high or too low), it should generate a fault code. Same with the MAF sensor. Assuming your check engine light isn't burnt out, are you...
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    Re: Engine starts and dies 86 van

    Are you getting any engine fault codes?
  31. Re: Testing fuel system / replacing fuel pressure regulator

    I would check the fuel pressure with a gauge to rule out fuel pressure issues before replacing components that might not be the issue. Your symptoms sound like a vacuum leak to me. It's a quick check...
  32. Re: Troubleshooting an intermittent sputtering problem

    Oh, and also, are you getting a check engine light on the dash? Any of the components feeding into the ecu like oxygen sensor, TPS, etc.... should generate a fault code if they go bad or are out of...
  33. Re: Troubleshooting an intermittent sputtering problem

    I'd put a fuel pressure gauge on the fuel lines and see what the fuel pressure is with the fuel pump test connector jumpered. If it's low, the engine could die at higher loads. 1159011591
    Also, I...
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    Re: Starting a trans repair, would like your help!

    Here are some links to older threads with similar problems. They have some wiring diagrams showing the various components in the circuit. Basically, if any of them are not functioning properly or...
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    Re: Starting a trans repair, would like your help!

    If your '88 is anything like my 1st gen (1985) van, the overdrive should work the opposite of what you are experiencing. The overdrive should NOT engage when the engine is cold. There is a...
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    Re: Over Heating issue

    Is the EGR system disabled? My '85 would run hot and overheat on long uphills. I noticed that the EGR vacuum hose was plugged to disable the EGR. I re-enabled it and it drastically reduced...
  37. Thread: Overdrive issues

    by MarkH
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    Re: Overdrive issues

    I installed it on my '85. My overdrive solenoid was getting voltage when it should and when I removed it and tested it with a battery, it opened fine, but when it was installed and I was driving on...
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    Re: Rear wheel bearing

    You do need a hydraulic press to press in the new bearing and retainer. I also used one to press out the old bearing. The pdf attached shows the procedure according to the factory service manual:11240
  39. Re: Does 195 psi in all 4 cylinders mean engine was rebuilt? 220k on the van

    I think the only way of having high pressure other than a defective gauge is lots of carbon build-up on the piston top and head, reducing the volume in the cylinder.
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    Re: Blower motor- speeds lost. Resister pack fix.

    Nice! I wish I could have gone that route of using pre-made ceramic resistors. I can't remember the calculations, but I assumed it would require a pretty high wattage rating which would make the...
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    Re: Blower motor- speeds lost. Resister pack fix.

    Here are the screen-grabs from that site with the photos:
    11213
    11214
    11215
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    Here is also more cut-and-paste from that post:
    I didn't use any new solder to hold the coils in place. I agree...
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    Re: Blower motor- speeds lost. Resister pack fix.

    I found that the resistance is pretty standard across many models of old Toyotas (Camry, pickups, etc.) The resistance values for them are: 0.4, 0.8, 1.5 Ohms. I've used these values for rebuilding...
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    Re: Van Starting Emergency!

    Shouldn't the pump keep running while the engine is running? I would hope it doesn't shut off when pressure is attained. And how would it know when there is pressure? There is no pressure switch.
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    Re: Van Starting Emergency!

    I assumed the fuel pump air flow switch was a safety feature so if you get into an accident, the fuel pump doesn't keep running (since the ignition switch is still on) without airflow into the engine...
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    Re: Van Starting Emergency!

    What I don't understand in my situation is that I thought that the fuel pump only runs when the airflow switch is on (from airflow pushing a flap open in the intake when the engine is turning over)....
  46. Re: Oil Pressure, Radiator, and Battery/Charge Light all come on at the same time.

    To check that the regulator is working, I'd put a volt meter on the battery when the engine is off and check that the voltage is around 12 and a half volts or so. Then I'd start the engine and see...
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    Re: Van Starting Emergency!

    The white smoke and low idle was probably caused by the engine being flooded with fuel from the previous attempts to start it. The same thing happened to me and I eventually had to let it sit for a...
  48. Thread: Cabin Air Filter

    by MarkH
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    3,584

    Re: Cabin Air Filter

    None of my 1980's Tercels have them either. My 1985 Toyota Van definitely doesn't have one.
  49. Thread: Cabin Air Filter

    by MarkH
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    3,584

    Re: Cabin Air Filter

    I don't know about the 1990 Townace, but I don't think our vans had cabin air filters.
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    Re: Wheel bearing parts

    11174
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