4runner power steering cap same as GM power steering cap?
I have a 94 4runner V6 3.0L Engine and the ps cap has gone missing. Ive been told that GM makes the same cap. The following link is a picture of a cap from a GM pump between 1987 and 1994. Can anyone tell me if this is the cap used on my 4runner?
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You probably have a V-8 engine, which on most GM products means that, as you're looking at the engine from the front of the vehicle, the power steering pump/reservoir would be to your right. It should have a cap that looks something like this:
If the dipstick (which is part of the cap) reads low, add power steering slowly until the level is correct. Then start the engine ad check the level again.
Does the belt turn the power steering pulley, I guess if it didn't it would make a racket.
With engine idling, cap off power steering reservoir, wheels turned one way or the other, can you see fluid swirl? If not maybe faulty power steering fluid lines or blocked.
I can't rule out the pump at the moment or the rack.
On some makes and models, I can take the belt off the power steering, engine off, of course, take return line loose, aim into catch pan, rotate pulley with my finger and fluid will circulate. The return line is a low pressure line usually held on with hose clamp at the pump. The high pressure line is a threaded fitting.
All that talking and I didn't tell you much? lol
Locating the Power Steering reservoir and adding PS fluid. 1999 Pontiac GP
The reservoir is clearly visible in the engine bay on the 3.1 litre engine cars.
For the 3.8 Ltr engine cars,
use a flashlight to look down past the alternator for a black cap with a
steering wheel printed on it to indicate the power steering fluid reservoir. ( passenger side of the vehicle).
Remove the cap of the power steering reservoir, clean the
dipstick, re-insert and remove again to check the fluid level. If the
level is at or below the low level mark, add fluid slowly, taking care not
to fill above the MAXIMUM mark. It's best to add small amounts and re-check the level as you go to ensure you do not overfill the reservoir above the MAX level.
ONLY use the power steering fluid recommended for that vehicle by GM.
I know GM decided to run the brakes and power steering vacumm all off of the power steering pump on some of their trucks. This could really be a big problem because if your power steering quit it would stop supplying your brakes with vacuum to stop the truck. In my experience I would check out the situation with the steering pump. Change it for a new one. Don't take any chances on smashing your truck.
It sounds like your power steering pump has gone out. If your resevoir has fluid and there are no power steering lines with holes in them, that would be the next option to look at. When the pump goes out the fluid cannot move throughout the tube to help give you assitance in steering. Change this pump and your power steering will be back to normal. Please let me know if you have any further questions. Thanks for using FixYa!
I have run into alot of PS pumps for GM cars that are noisey. I reccomend going to dealer or get AC delco part. if u have bubbles in fluid wait until they r gone. allow car to sit for about an hour or so. air in the system is bad for rack and pump.
I know that there is 1 serpentine belt that runs all (incl. the PS pump) on the 3.8 liter. So if that belt
was missing, you would also be over heating, have no alternator charging, no ac (if equipped) as well as have no PS. If you see any belt at all (on the passenger side), then you are ok. The PS fluid resevoir is near the top and easily found. It has writing on the cap which also has a built in dipstick. Check the fluid level in the resevoir and fill it if nec. Are you hearing noises from the PS system with the fluids full? If so, you might need a new pump. Check for leaks too if the fluid was low, you might have a leaking hose or PS rack (hope not on the rack though $$)