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Third gen 4runner or Tacoma, 95-2004. Same place I sourced my door handles:)

I used wiper arms from a Toyota 4runner on mine. The drive spindles are the same...

They are also real easy to overhaul. Being a coalescing dryer, the media really only needs to be clean So it can coalesce the water into droplets as it passes thru the beads. With this design, you can easily remove it and wash it with a degreaser in a bucket. Then clean out the inside of the...

Well they are both supposed to have springs, but if you swapped the complete valves and the issue didn’t change, that indicates that those valves are not the issue. if you leave both tanks full do they hold pressure? There are also three 2way check valves that can draw air from either tank...

There is a check valve at the inlet of the primary and secondary air tanks(where wet tank connects to each tank). These checks are to keep the systems separate, so one failure doesn’t kill the other system. It sounds as if your primary inlet check is leaking... The check valves that are used...

The contacts close at 117 PSI and stay closed till the pressure falls to 89PSI.. basically when closed it tells CTIS it has air in the wet tank to work with. when open it tells CTIS it has expended all the air in the wet tank as the CTIS supply is cutoff at 85 PSI by the protection...

on a vehicle with external coolers, yea that might be a good thing...

And unless it evaporated, it would be a mystery how it would make it from the tanks, anywhere else in the system:) personally I wouldn’t put anything in it but dry air. If your dryer cannot deliver that then fix the dryer. If it was wet, you would see signs in the tank drains as that is the...

Did you get the normal “woosh” when you pulled the park knob? if so the park valve is working. Did the park and emer lights in the dash come on? if so air pressure was removed from the inversion valve as it should. That light is driven by a pressure switch at the inlet to the inversion valve...

yes and no... The lower hand pump is only connected to the manifold valve(port P2 & T2, and it is not vented. The lower hand pump can draw fluid from the upper reservoir but only if the lower pump/reservoir case pulls enough vacuum when pumping fluid out, to draw fluid past a 1PSI check valve...

Just fill it. In order to move fluid, work must be happening. If you are pumping and nothing is happening, you are not really admitting any air as fluid would have to move out of the way for that to happen. Cycling/operating the system will purge any air bubbles as they pass back thru to the...

it is probably low on fluid. When facing the pump there should be a little allen head plug near the front left corner. you can fill it with AW-32 hydraulic oil. AW-32 is 10 weight hydraulic oil which is what is specced for the system. It’s the go-to oil for just about anything with a...

Wire 1444 is the + signal from the sensor, and wire 3083 is the - signal from the magnetic pickup and is tied/referenced to ground at the freq divider connector. At the freq divider, wire 1444 is spliced to wire 1550 for the run over to the center dash Where it is also the + signal. I think...

I am not sure it is listed in the manual, but I have measured service pressure and it was over 100PSI when I did it. But it was my grandson stepping on the pedal and I am not sure exactly how hard he was stepping on it and what the primary/secondary pressure gauge was reading at that instant as...

I have used those for years, never had one fail, and always pretty consistent Performance. I have a few in the drawer removed from project upgrades and intercepted before they reached the dumpster, saved for future use:)

unpredictability is part of the problem. Cumulative time without vehicle power may be a factor, age of the internal battery may be a factor, who knows but the person who designed it... I once worked on a radar system that used a keep alive battery on the main processor board. To change the...

IDK, since it is mounted outside on the engine block, I would assume so...

You could. You could also pre-emptively replace it. I have been dealing with ECU’s for decades now and have never encountered an ECU failure. It supposedly does happen, but I have never personally experienced or heard from anyone who has had an ECU issue, working on a lot of Toyota, Honda and...

I said the pressure was greater in the front, as it receives full system air passed by the treadle at full depression. The diaphragms are the same size, but there are 4 actuators to fill in the back vis the 2 actuators in the front... IE: if the cans are equal size, 2 cans at 3XPSI = more air...

or this one:) some say cruise off, set/accel on, some say cruise on and set/accel on, it seems to work both ways, so you at least need to make that set/accel contact between the 2 ECU connector pins. The gentelman in the first vid was nice enough to list the 3126B codes. From what I have...