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    Re: Roof rack rails question

    The Previas with factory sun-roofs have different side moldings.
  2. 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....
  3. 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...
  14. 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:
  18. Replies
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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
  19. Replies
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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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    Re: Charging Air Conditioning System

    That's awesome you're getting it figured out. When you get a chance, please post part numbers of the new parts. Also, the pics of the new manifold parts didn't come through. I'd be interested in...
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    Re: Power steering system noise?

    Yes, there should be movement of the PS fluid & for whatever reason yours is not moving. Possible causes could be a clog or severe restriction somewhere else in the system. The reservoir screen is...
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    Re: Charging Air Conditioning System

    That's interesting what he said about the expansion valve. I have yet to see this particular expansion valve fail, but I'm sure it happens.........especially in places like Flor-i-duh :doh: :lol:. I...
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    Re: Charging Air Conditioning System

    How I would do it is not necessarily the recommended way, so proceed at own risk :lol:. According to the manual there should be a total of 2 - 3.4 fl oz of oil in the system. If the compressor is...
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    Re: Charging Air Conditioning System

    Sounds like a good plan. Tim
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    Re: Charging Air Conditioning System

    FWIW, they make almost every possible combination of diameter and rubber thickness o-rings. In the rare case they actually don't make the size you need, you can get custom sizes made for under $10...
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    Re: Charging Air Conditioning System

    I don't like taking chances with things like this, but, if you're up against the wall it's not like you have a choice. I would think even the garden variety o-rings are made of materials to resist...
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    Re: Charging Air Conditioning System

    I checked all over for those too and found nothing. You can use round o-rings here, as long as the diameter of the rubber is correct and the overall length is right for the groove. The real advantage...
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    Re: Charging Air Conditioning System

    Okay, I saw the word "crack" and assumed you meant a part was cracked. As I'm sure you've already figured out, the only thing making the seal in this area is uniform compression of undamaged o-rings,...
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    Re: Charging Air Conditioning System

    Looking at your pics helps me remember when I did the job. I think in the end I checked and re-used the rectangular o-rings, then used the round ones Denso supplied with the compressor??? Sorry but...
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    Re: Master Ace headlight high beams staying on?

    Here in the states our vans also have a 4 headlamp system. On low beam only the 2 outer headlights are on and the "beam" is directed down as to not blind oncoming traffic. When on high all 4...
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    Re: Cooling system Mods

    It's just a heat exchanger so it makes no difference which hose goes where :)>:.
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    Re: Charging Air Conditioning System

    Yes, low side.
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    Re: Charging Air Conditioning System

    If the system has a vacuum, with the can upside down it will suck the full charge of Freon/oil without even starting or engaging the compressor. After it sucks the Freon, although probably not...
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    Re: Coolant and Oil Leak

    Hi Paul, since the 2c diesel engine was not used here in the states I don't know what part number seal you will need. Some of the guys here with diesel vans may have access to this information. I...
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    Re: Charging Air Conditioning System

    If you get a new or rebuilt Denso compressor, I believe it will come with new o-rings, and I'd probably trust the Denso ones over anything aftermarket. If I recall correctly, I got 2 different sets...
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    Re: Charging Air Conditioning System

    Check to make sure the bolts are tight, then check the mating surfaces for damage (scratches, cracks, bumps, foreign material, etc). I'd also use a straight edge to verify these surfaces are not...
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    Re: Charging Air Conditioning System

    It almost has to be o-rings. When I did mine I ordered 2 different sets because they were cheap and I didn't want to come up short. If I thought there was a possibility of a gasket I would have...
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    Re: Slight Differential Noise at 315K

    Yeah, I should have said differentials. There's a lengthy discussion here somewhere about our manual transmissions and the yellow metals within. It's worth mentioning the wrong gear oil can mess up...
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    Re: Cooling system Mods

    If you're working the van hard and/or it's hot outside I'd consider 194 normal. In ideal conditions it should run in the 180 - 190 range, but getting a bit hotter during extreme conditions is...
  42. Re: Heater core no coolant circulation, but not plugged

    Rear being clogged wouldn't effect the front unless the clog was in the common return line (unlikely). If your heater is not blowing hot, the 1st thing to check is the coolant temperature. It should...
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    Re: Cooling system Mods

    It's just galvanized steel flashing commonly found at hardware and home improvement stores. It's often used in roofing/general purpose applications and it's sold in rolls of varying widths. I folded...
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    Re: Charging Air Conditioning System

    If the VSV is working (engaging/disengaging and allowing/disallowing flow) but the idle speed does not increase/decrease, then it sounds like the idle-up diaphragm is messed up. Tim
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    Re: Charging Air Conditioning System

    Read the upper left hand corner of the diagram below.

    https://www.toyotavantech.com/forum/attachment.php?attachmentid=1268

    For whatever reason, on my 86 van, the idle-up did not activate when...
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    Re: Charging Air Conditioning System

    Yeah, it's not uncommon for there to be multiples. Sometimes you'll also find them on the compressor and on the dryer. I guess they could be helpful for doing a super thorough evacuation, but...
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    Re: ball joints (4WD)

    Check post #6 on page 1 of this thread
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    Re: Replacing your van's thermostat

    I don't know........I really don't like gasket goop, at least not by itself. If you mess with that plate enough to separate the gasket, then I'd recommend a thorough cleaning, new gasket, and a...
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    Re: Charging Air Conditioning System

    Yeah, oil is always a calculated guess. Just because you pull a deep vacuum doesn't mean all the oil will be removed, it depends on where the oil is. As the system is being evacuated most of the oil...
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    Re: Replacing your van's thermostat

    That's an adapter plate of sorts that transitions between the timing cover and the t-stat housing. Just taking the bolt out then putting it back in shouldn't cause a problem. I would however...
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