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  1. Re: 1987 Toyota 4wd manual getting code 6 RPM Signal

    https://www.toyotavantech.com/forum/showthread.php?1722-figuring-out-code
  2. Re: Engine Service Connector not working - can't set proper ignition timing

    Yes, that's it. That one fits all years and all models of US vans with auto transmissions. More details on this job can be found in THIS THREAD starting on post #14.
  3. Re: Engine Service Connector not working - can't set proper ignition timing

    It could be a transmission issue then. I'm not a transmission guy, but I'd start out by pulling the pan and replacing the screen/strainer assy. I'd also check for metallic particles in the fluid and...
  4. Re: Engine Service Connector not working - can't set proper ignition timing

    Have you checked transmission fluid level? Not shifting into gear @ low RPM while cold is the classic indicator you're running low on ATF. Tim
  5. Re: Engine Service Connector not working - can't set proper ignition timing

    With those codes we must be talking about an 88 - 89 van......right? Code 22 is an ECU Temp Sensor code, but if that sensor is bad the van will run REALLY bad, so I'm guessing that's an old code that...
  6. Re: Engine Service Connector not working - can't set proper ignition timing

    Yes. For more information, click on the link in post #29 of this thread (above). Tim
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    Re: ELECTRIC (power) WINDOWS information....

    Unless you rewire the entire circuit, in order for a different switch to work it needs to be electrically identical to the factory switch you are replacing. Meaning it needs to have the same number...
  8. Re: Engine Service Connector not working - can't set proper ignition timing

    What (if any) codes are you displaying?
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    Re: Overdrive issues

    If you never turn off your OD and you want a permanent solution, then I'd go with the bypass device. Tim
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    Re: Overdrive issues

    Also, try looking at post #107 on page 6 of this thread.
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    Re: Clutch Replacement

    Regarding the pilot bearing, in the old days they just used brass or bronze bushings between the crank-shaft and the nose of the transmission input shaft. I can see how a bearing is nicer, but since...
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    Re: Overdrive issues

    Check out post #25, page 2 of this thread.
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    Re: Horrible overheating issue

    Another commonly overlooked problem is pitting/corrosion inside the filler neck where the rubber seal of the radiator cap contacts it. Check that surface carefully to make sure the raised ring in...
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    Re: Oil Pan Removal and Re-installation

    Lol, and then professional mechanic go: hahah kaching kaching
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    Re: Charging Air Conditioning System

    :whs: There's no way to know what's going on if you don't check pressures. If you don't already have a factory service manual and a gauge set, if you plan on keeping the van you need these things....
  16. Re: LED Headlights ... and troubleshooting problems after install

    Sorry for the late reply, I'm in my busy season and work loads are high. Regarding the pin lay-out, I looked on line and found a couple of nice diagrams showing how to rearrange. The problem was,...
  17. Re: LED Headlights ... and troubleshooting problems after install

    I happened to see this on Amazon and thought it might be an easy fix for those "electrically challenged": https://www.amazon.com/gp/product/B06XJ771YQ/ref=pe_26602060_529207830_em_1p_3_lm
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    Re: How to disassemble the dash on a Previa

    Lol, yeah, 12 years ago I might have had some info for you. I'm sure if I had to do the job again I'd be able to figure it out, but I don't remember those type of details from jobs back then. I got...
  19. Re: A/C, power steering, and fan (water pump/alternator) belts

    I've changed that bearing a few times. It's been a while, so I don't remember all the details, but I don't think it needed any pressing. I think it just pops out and the new one pops right back in....
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    Re: Finally lifted my 4x4

    No, I still have it. It's been sitting there in the same spot for quite a long while. One of these days.............:wnk:
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    Re: Charging Air Conditioning System

    Battery negative cable connects to frame and then to DS motor mount bracket. Since engine is conductive, it supplies ground through the compressor mount (no ground wire). Tim
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    Re: Seafoam time.... but what hose to pour it in?

    We have had this discussion a few times. I did a quick search and found this one: https://www.toyotavantech.com/forum/showthread.php?1473-Oil-Light-Problem. Tim

    And here's a quote from another...
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    Re: Dash temperature gauge problems

    Search the site using the term "water thermo switch". It's to delay the overdrive from kicking in on vans with automatic transmissions.
  24. Re: LED Headlights ... and troubleshooting problems after install

    That's interesting. Correct or not, I've been very happy with the results. At some point I may look at this again, but I'm a busy guy and there's always lots of other fires to put out. Thanks for the...
  25. Re: LED Headlights ... and troubleshooting problems after install

    BTW, I measured current draw of the originals then the LEDs. Interestingly enough the LED's on dim pull a disproportionate amount of power. I'm not sure why that is, but the amount of light is very...
  26. Re: LED Headlights ... and troubleshooting problems after install

    Yes, and they are amazingly bright.........especially the H1 high beams.
  27. Re: LED Headlights ... and troubleshooting problems after install

    It's been a about a year since I addressed this issue on my van so I thought I'd update members with my experience. I purchased 2 sets of the lights linked to in post #33 of this thread. I installed...
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    Re: motor & transmission mounts

    Thank you for the info. Regarding the Febest TM-101, did Amazon nail you for shipping? I see they have these on eBay, but the shipping is more than the part. If Amazon shipping was free (or at least...
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    Re: Fuel gauge not working?

    No, you'll only get the canister and a filter. As for the fuel line and all the little brass parts, if you check THIS POST you will see I've embedded links to all of these parts. Just click on the...
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    Re: Roof rack rails question

    The Previas with factory sun-roofs have different side moldings.
  31. Re: Oxygen sensors - part numbers (all years) and replacement

    Every little bit helps. The van ECU has a "default" mode that it goes into when it can't see data from sensors. Because running too lean can damage the engine, the default mode makes it run rich....
  32. Re: Oxygen sensors - part numbers (all years) and replacement

    Yes, that one should do the job.
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    Re: CLUNK or BANG when shifting

    Other than the things previously mentioned here, you should take a look at your motor mounts. If you have a broken one the engine could be lifting and dropping on that side when you shift. Tim
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    Re: Upgrading the alternator

    If you research the web you can find information on how to build your own. I just took a short-cut and installed a Mobi-Arc unit. Here's a video on the unit I have:...
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    Re: Power steering system noise?

    Pressure ratings are not that important, but it does need to be rated for the type of fluid it carries. If it can handle fuel, I suspect it can also handle Dexron ATF fluid, but I would want to be...
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    Re: Cooling system Mods

    That's a good point if you live where it gets extremely cold. It rarely gets below freezing where I live. If you live where it gets below zero then having a valve there could be beneficial. Tim
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    Re: Sensors to overdrive

    FYI, I got that one and have put approx 80k miles on it. It has leaked from day 1. It doesn't leak a lot, just enough to make my van undercarriage a bit nasty from the mixture of dust and ATF. If I...
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    Re: Article: Cleaning the Throttle Body

    With the throttle against the stop you should have continuity through terminals IDL and E1. As you open the throttle you should lose continuity around .028 of travel. I watched your video and you did...
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    Re: Article: Cleaning the Throttle Body

    X2:doh:
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    Re: Sensors to overdrive

    If your solenoid is getting power and it's not shifting into OD, then (and only then) should it be replaced. And yes, these are the same on all van transmissions. Volvo also used this same solenoid...
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    Re: Article: Cleaning the Throttle Body

    I posted 2 images........anybody else having trouble viewing?



    I'd probably avoid using cork here. Either one of the other 2 shown in your pics should work fine. I can't read the tan stuff, but...
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    Re: Article: Cleaning the Throttle Body

    Although the TB gasket (Toyota part #22271-73011) is NLA through Toyota, these will occasionally come up on eBay and other sites as NOS "New Old Stock" (I just checked eBay but nothing is currently...
  43. Sticky: Re: The WHAT-IS-THIS-PART and WHAT'S-THE-PART-NUMBER Thread for US Toyota Vans 1984-1

    It's called "FILTER, GAS, NO.1" and it's Toyota part #90917-11022.

    https://www.ebay.com/sch/i.html?_from=R40&_nkw=90917-11022&_sacat=0&_sop=15
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    Re: Charging Air Conditioning System

    Yeah, I had some concerns about that when I saw the picture of your updated manifold, but didn't want to be a pessimist. I'm sorry to hear about that. You are blazing a new trail with manifold/line...
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    Re: Overdrive issues

    The overdrive only comes into play after you're done getting up to speed and you ease off on the throttle. Even without OD you should be able to go up to 75 mph or so. The OD just helps to reduce...
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    Re: Cooling system Mods

    Here's a quote from post #10 of this thread:
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    Re: The hose of death thread

    yeah, something doesn't look right. Check the 1st picture in post #57 this thread. Tim
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    Re: Charging Air Conditioning System

    I've never had to replace an expansion valve on a van before.............so I've never done that. Hopefully somebody else here has and will know the secret. The hardest thing I've done is replaced...
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    Re: Sensors to overdrive

    Here's another thread with more information: https://www.toyotavantech.com/forum/showthread.php?330-Overdrive-issues
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    Re: Charging Air Conditioning System

    FYI, I'm old school. I quit working for Toyota back about the time they outlawed R-12, so I know nothing about conversions other than I don't want to go there. Doesn't surprise me though. Since the...
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