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#1
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Power Steering Fluid Leak on a 2003 X5 4.6is
Did a quick search on this forum but didn't see any dedicated threads for it.
Has anyone experienced the fluid leak on their E53? Mine is starting to leak faster and faster. I'm thinking about tracking down the leak with a uv liquid inspection kit, bought it a while ago and never got to use it. Right now i'm suspecting the leak might come from the 2 hoses that leads out of the power steering pump. But i won't know for sure until examination next week. Just filled it up with Mobil 1 synthetic ATF and hope it'll last this weekend's driving. Does anyone have a link to a full power steering hose replacement kit on fcpeuro? I looked for it but only found a kit for an E46.
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2003 X5 4.6is Estoril Blue, acquired March 2018 2013 128i M Sport 6 MT Space Grey daily driver 2010 535xi 6 MT Barbera Red |
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#2
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I just bought parts for my daughter's 3.0 e53. In all the years I've owned and maintained BMWs the usual place is where the hoses connect to the reservoir.
On my daughter's 3.0 I bought the following: 3.0 32411095526 Intake manifold 32416767136 radiator return line 32416851217 reservoir 4.6 32416758958 Suction pipe 32416767138 radiator return line 32416851217 reservoir Getting ready to replace these same parts on my 4.8 4.8 32416758958 Suction hose 32416767138 radiator return line 32416851217 reservoir Of course you'll have to source the proper hose clamps. I've always used Pentosin CHF11S on all my vehicles. Funny enough I had to replace these on my other daughter's e83 and my e38. Heck, while I'm here: 4.4 M62 32416758958 Suction hose 32416767138 radiator return line 32416851217 reservoir 4.4 N62 32416763977 Suction pipe 32416763978 radiator return line 32416851217 reservoir
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2005 Titanium Silver X5 4.8is (DD winter) * 2001 Steel Blue 750iL (DD summer) * 2001 Ford Excursion 7.3 L <> 2005 X5 3.0 * 2003 X5 4.4i * 2009 X3 3.0 * 2009 X5 3.0 * 2007 Toyota Avalon Limited Last edited by absolutezero273c; 01-10-2021 at 10:42 AM. |
#3
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Just repaired mine I replaced the reservoir,return hose and suction hose. I bought all the parts at fcpeuro.com.
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2006 e53 4.4i |
#4
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Quote:
Isn’t there a high pressure hose that is prune to leaking as well? I read one forum member had a loose nut on the power steering pump and tightening it took care of the leak for him.
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2003 X5 4.6is Estoril Blue, acquired March 2018 2013 128i M Sport 6 MT Space Grey daily driver 2010 535xi 6 MT Barbera Red |
#5
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I did the PS hose on my E53 3.0. Let me tell you it's a Bitch to do. The area you are working in is tight.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#6
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Quote:
http://pentosin.net/pressreleases/cr...luid_guide.pdf
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#7
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Yes. There can be other hoses that leak but on all the BMWs I've had to maintain in my family these are the only ones I've had to replace.
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2005 Titanium Silver X5 4.8is (DD winter) * 2001 Steel Blue 750iL (DD summer) * 2001 Ford Excursion 7.3 L <> 2005 X5 3.0 * 2003 X5 4.4i * 2009 X3 3.0 * 2009 X5 3.0 * 2007 Toyota Avalon Limited |
#8
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Quote:
Unfortunately a number of my vehicles don't have the stamp/label. And I thought I had read somewhere, will have to go back and search, that this was the fluid that was able to supersede the other BMW ps fluid and retain compatibility without flushing the system. Granted also this required draining all the previous fluid.
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2005 Titanium Silver X5 4.8is (DD winter) * 2001 Steel Blue 750iL (DD summer) * 2001 Ford Excursion 7.3 L <> 2005 X5 3.0 * 2003 X5 4.4i * 2009 X3 3.0 * 2009 X5 3.0 * 2007 Toyota Avalon Limited |
#9
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I replaced all my rubber lines in the engine
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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project. |
#10
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On my 2001 build date was 10/2000 the cap for the PS Reservior had ATF stamped on it.
Only 4 more posts until I hit 7000 posts. ![]() Cap with a Pentosin CHF label
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD Last edited by upallnight; 01-10-2021 at 12:58 AM. |
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