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Old 01-31-2013, 05:27 PM   #1
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Power steering fluid low?

So I checked my power steering fluid and it was low I added about 3 cups of ATF+4 its a 2004 Jeep wrangler with 70,000 miles on it. I don't notice any leaks . Do I need to bleed the system or just put the cap back on and I'm good to go?

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Old 01-31-2013, 05:32 PM   #2
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It was so low it took 3 CUPS??? It's got a leak somewhere with it being that low since the power steering system does not consume its ATF+4 (or power steering fluid for 2002 and older TJs). Are you sure it took 3 cups? I don't even think the reservoir even holds that much. If it doesn't screech when you start the engine, it doesn't need to be bled.

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Old 01-31-2013, 05:37 PM   #3
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It was so low it took 3 CUPS??? It's got a leak somewhere with it being that low since the power steering system does not consume its ATF+4 (or power steering fluid for 2002 and older TJs). Are you sure it took 3 cups? I don't even think the reservoir even holds that much. If it doesn't screech when you start the engine, it doesn't need to be bled.
Maybe not 3 cups. When I took the cap off I cleaned the dip stick thing and put it back in and it read low. So I added it until it was at the right level. Maybe it was not exactly 3 cups. And is does screech when I turn the wheel. How do I bleed it?
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Old 01-31-2013, 05:41 PM   #4
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Jack the front axles up so the tires are just off the ground, then turn the steering wheel fully back & forth without the engine running 40 or so times. That will bleed the air out without damaging the pump.

Screeching is the sound of cavitation inside the pump which can damage the pump if it continues too long.
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Old 01-31-2013, 05:42 PM   #5
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Here is a good link to do it off of JeepForum

http://www.jeepforum.com/forum/f9/bl...g-pump-246845/
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Old 01-31-2013, 05:50 PM   #6
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Jack the front axles up so the tires are just off the ground, then turn the steering wheel fully back & forth without the engine running 40 or so times. That will bleed the air out without damaging the pump.

Screeching is the sound of cavitation inside the pump which can damage the pump if it continues too long.
Stupid question but do I have the cap off when I'm doing this?
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Old 01-31-2013, 05:53 PM   #7
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It doesn't matter if the cap is on or off but since you may need to add more ATF+4, I'd leave the cap off & check the level every so often as you bleed the system by turning the steering wheel back & forth. Remember not to start the engine. And if you overfill it, it may overflow the reservoir as you cycle the steering back & forth.
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Old 01-31-2013, 06:13 PM   #8
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It doesn't matter if the cap is on or off but since you may need to add more ATF+4, I'd leave the cap off & check the level every so often as you bleed the system by turning the steering wheel back & forth. Remember not to start the engine. And if you overfill it, it may overflow the reservoir as you cycle the steering back & forth.
Thanks, where do I need to check for leaks?
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Old 01-31-2013, 06:20 PM   #9
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Thanks, where doI need to check for leaks?
Wherever it's dripping from...
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Old 01-31-2013, 06:29 PM   #10
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I wish you owned a YJ
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Old 01-31-2013, 06:40 PM   #11
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I wish you owned a YJ
Why?
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Old 01-31-2013, 07:26 PM   #12
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Hey Jerry, After I re install my new steering box, I was told to start the engine and turn steering wheel back and forth on jacks of course, You mentioned not to start it... ??? Help .....
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Old 01-31-2013, 07:38 PM   #13
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Hey Jerry, After I re install my new steering box, I was told to start the engine and turn steering wheel back and forth on jacks of course, You mentioned not to start it... ??? Help .....
There is simply less likelihood of pump impeller damage from cavitation if you bleed it first before starting the engine. And with your front axle up on jackstands, the steering will be easy enough anyway without the engine running.
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Old 01-31-2013, 07:49 PM   #14
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I wish you owned a YJ
Hummmmmmmmm I know the answer to that
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Old 01-31-2013, 08:00 PM   #15
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I will do, thanks Jerry..

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