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Old 05-22-2020, 02:57 PM   #1
spags323
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2000 323i power steering/ coolant system replacementsrepla

Hi everyone, first time asking for ideas/advice long time reader.
DIY lots of times on this car and others, (2012 X5 3.5)

Car is in great condition, original owner, 147,000 miles. Water pump/thermostat previously replaced. Radiator, expansion tank, hoses, etc never touched. No leaks.

Power steering pump seems ok but developing small leaks at connections and a couple of hoses. BMW wanted $1,500 to replace the 4 PS hoses. Doesnt look to be a very difficult job.

Any thoughts on doing both jobs at the same time. Looks like it might be easier that way. Lots of room to work, etc.

Parts will be ordered from FCPEuro. Any other suggestions?

Anything else you can suggest to replace while car is apart? I've replaced plugs, coils, valve cover and gasket. Shocks, control arms and front bushings. All fluids have been replaced.

Thanks, Ron
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Old 05-22-2020, 05:02 PM   #2
lllRazorlll
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If you're doing power steering, you might want to consider belts and pulleys. Fluid changes are always a good thing if its been a while
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Old 05-22-2020, 08:36 PM   #3
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May sound crazy, but I would consider doing the oil pan gasket.

Once you have drained the ps system and disconnected the pressure hose, it is much easier to drop the front subframe and get great access to the sump.

Btw replace the reservoir, the crush washers, and the pump o-ring during the procedure.
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Originally Posted by spags323 View Post
Hi everyone, first time asking for ideas/advice long time reader.
DIY lots of times on this car and others, (2012 X5 3.5)

Car is in great condition, original owner, 147,000 miles. Water pump/thermostat previously replaced. Radiator, expansion tank, hoses, etc never touched. No leaks.

Power steering pump seems ok but developing small leaks at connections and a couple of hoses. BMW wanted $1,500 to replace the 4 PS hoses. Doesnt look to be a very difficult job.

Any thoughts on doing both jobs at the same time. Looks like it might be easier that way. Lots of room to work, etc.

Parts will be ordered from FCPEuro. Any other suggestions?

Anything else you can suggest to replace while car is apart? I've replaced plugs, coils, valve cover and gasket. Shocks, control arms and front bushings. All fluids have been replaced.

Thanks, Ron
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Old 05-23-2020, 06:13 AM   #4
markusmarkus
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First, kudos for ordering from FCPEuro. Make sure all cooling system parts are either OE or OEM. The power steering fluid leaks are likely at/near the reservoir. The hose that runs from the ps fluid cooler that sits in front of the radiator and connects to the off-center nipple on the reservoir is the usual culprit. I’d replace it and the hose that runs from the center nipple on the reservoir to the pump. I wouldn’t bother replacing the Hugh pressure hoses. I’ve never heard of one if those leaking unless they’d been damaged. Buy a new ZF reservoir also.
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Old 05-23-2020, 08:45 AM   #5
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Marcus is correct about the leaking hoses. However the pressure line is almost certainly "weeping"
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Old 05-23-2020, 09:47 AM   #6
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Oil filter housing gasket would be easy to do at that point. The CCV system is also a little easier with the OFH out of the way.

Archbid makes a good point about the oil pan gasket being easier without the high pressure ps hose, but that is definitely a good bit of scope creep.
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Old 05-23-2020, 03:53 PM   #7
spags323
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Belts and pulleys have been done previously. Have to look up how long ago, doubt it's been more than 20,000 miles. Only drive it about 2,000/year. If needed I will change all. Pretty easy.

Thanks for the advice.
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Old 05-23-2020, 04:52 PM   #8
spags323
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Thanks for the info, oil pan gasket may be above my pay grade. I'll look into it however. All fluids have been changed. Reservoir at least once maybe twice. Good idea about the OFH and CCV. I've done the OFH on a previously owned 330xi. Not that hard.

Any reason not to change the power steering pump and the high pressure hose? They are almost 20 years old.

On a side note, I saw a recall notice for Harbor Freight floor jacks. Very dangerous. Could collapse under a load. I had 2 of them. Returned for store credit, no questions asked.
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