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My 1998 jeep cherokee sport is leaking power steering fluid from top hose that is coming out of the reservoir every time i turn the steering wheel. it seems like it is backing up from the reservoir. what would cause this and how do i fix it??
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MS5931 IS THE ONLY FLUID THAT CAN BE USED FOR THE POWER STEERING SYSTEM. NO EXCEPTIONS!
Important note: The factory fill power steering fluid for all 1999-2004 Grand Cherokees is a unique fluid, MS5931. ATF+4 (MS9602) should not be mixed or used as a “topping off” fluid on the Grand Cherokee WJ. All WJ models should be serviced using ONLY the special MS5931 fluid. ATF+4 is NOT an approved Power Steering Fluid and should never be used under any circumstances. Note that all fluids will darken in color with usage and fluid color is no longer an indication of fluid condition.
The 'foaming' you describe is almost certainly air getting into the system. The power steering pump will cause a suction effect in the pump and then pressurize the system. Look for loose hose clips, damaged piping, and leaking seals on the pump body between the pump and its fluid reservoir
First thing you need to do is remove thwe return line from your power steering reservoir. Thats the thing you put the power steering fluid in. Run that hose to a large container where you can catch a lot of fluid in. Now you want to make sure you have your new power steering fluid on hand before you start and another person would be very helpful also. Have your helper start the car and turn the wheel back and forth while you pour power steering fluid in the reservoir. Do not let your power steering fluid run completely out you can ruin your pump and or steering box. Continue to pour in new steering fluid until the fluid coming out of the hose thats in the bucket is clean fluid. Turn vehicle off reconect the hose to the reservoir and top off. With the lid off reservoir start the vehicle back up and turn wheel all the way back and forth many times(do not turn it to its furthest position where it bumps) continue to make sure the fluid level is always full. By turning the wheel back and forth you are bleeding the lines to get all the air out. Do that a few times, refill and put the cap back on. You just changed your power steering fluid. I f your vehicle is old you may want to get new rubber hoses for your power steering system. hoses degrade over time and eventually they start to flake off into your fluid which can damage parts. Always a good idea to replace hoses especially if they are soft.
Check the power steering fluid. The resoviour could have a leak in it. This is located under the hood normally it has a cap about the size of a half dollar
The noise is due to air in the power steering system. It will come out once you fix the leak, by setting the fluid level, install the cap and start and rotate the wheel left and right for a minute...shut off and check level again.
Your problem could be a pressure side hose that has a rupture that only leaks in extreme conditions. Inspect to replace with new to repair problem. First make sure you have removed the pump caps off of the hose fittings. If ok, it appears you may have a stuck valve in the rack assembly. Replacing the rack should solve your problem.-------The new pump should be self-bleeding by turning the wheels left and right. Let sit over night to release air bubbles, recheck fluid level.------Check the tension of the drive belts on the pump, as they may be loose.The power steering pump and reservoir is located on the front of the engine driven by one of the fan belts. There is a removable cap on the top with a dipstick attached. With the engine off, fill this up to the full mark with power steering fluid. Replace the cap, start the engine and check for leaks. On the back of the pump are two hoses either one could be leaking.REPAIR PROCEDURE: 1. Wipe the power steering cap and area free of dirt. Remove the power steering cap.
2. Use a siphon pump to remove as much fluid as possible from the power steering fluid reservoir.
3. With a helper in the vehicle, raise the vehicle on an appropriate hoist.
WARNING :POWER STEERING FLUID, ENGINE PARTS, AND THE EXHAUST SYSTEM MAY BE EXTREMELY HOT IF THE ENGINE HAS BEEN RUNNING. DO NOT START ENGINE WITH ANY LOOSE OR DISCONNECTED HOSES. DO NOT ALLOW HOSES OR POWER STEERING FLUID TO TOUCH HOT EXHAUST MANI FOLD OR CATALYST.4. Locate the power steering cooler attached to the crossmember support plate. Slide back the clamp and disconnect one of the two power steering return hoses at the power steering oil cooler and drain fluid in an appropriate container. 5. Have the helper turn the steering wheel back and forth quickly several times to force as much fluid as possible from the steering gear. 6. Reconnect the hose at the oil cooler using the original clamp. 7. Lower vehicle so the vehicle tires are not contacting the ground.9. For proper fluid fill and bleeding air from the power steering system:
a. Fill the power steering reservoir to the top of the fill range using Mopar power steering fluid (ATF+4) p/n 05013458AA.
b. With the engine OFF and the vehicles tires off the ground, slowly turn the steering wheel back and forth (lock to lock) slowly 20 times to force fluid into the steering gear.
c. Fill the power steering reservoir to the top of the fill range.
d. Start engine and let run for a few seconds, then turn oft engine.
e. Check fluid level and add if necessary.
f. Start engine, and slowly turn the steering wheel lightly contacting the left and right stops.
g. Stop the engine and check fluid level. Add fluid if necessary.
h. Lower vehicle, start engine and slowly turn steering wheel lock-to-lock.
I. Stop engine and check fluid level. Add fluid if necessary.
j. If fluid is extremely foamy, allow vehicle to stabilize a few minutes, then repeat steps "i" and "j" until the fluid level remains constant after running the engine and turning the steering wheel from lock to lock.
10. Inform the vehicle owner/operator that a steering vibration may be noted for a few hundred miles until the air is completely removed from the steering system.This will help. Thanks please keep updated.please do rate the
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as long as you use a flair nut wrench on the fittings it's not that hard. Since you aren't going to use the old hose over, if the nuts are frozen you can break the line off and use a socket to get them off. Don't loose any "o" rings (new kit comes with them as needed but make sure you know where the old ones are. New lines are often a slightly different shape than old one...make sure line is not rubbing on anything or it will wear through. After filling, turn the wheel gently all the way to one side, then the other and re-check level. Most times any noise at pump will disappear after use,as any residual air bleeds out.
My power steering pressure hose has a visible hole in it and squirts fluid when turning the wheel. How do I replace the pressure hose assembly? Is it O.K. to drive, if I top off the power steering fluid tank, and drive it about 10 miles to Autozone while it's still leaking?
Just a heads up, $10 bucks will buy you a seal kit for the P.S. pump. I topped mine off for a couple months, then the oring on the high pressure line (from pump, front center) blew and dumped the reservoir in a matter of miles.
The line can be a stinker to get off, recommend driving the car for a few minutes to heat up the pump a little. Don't forget the 20MM wrench.
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