Power steering diagram

Tiny
TOYPACIFIC
  • MEMBER
  • 2003 TOYOTA HIGHLANDER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Good day, may I request for a power steering diagram? I have a leak in one of the lines if not more then one line. Preferably pressure hose and return hose.
Thank you
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Wednesday, September 23rd, 2020 AT 9:09 PM

5 Replies

Tiny
KASEKENNY1
  • EXPERT
I am attaching the diagrams for the pumps that are available for this vehicle. It is either the 2AZ-FE pump or the 1MZ-FE pump. I believe the 4 cylinder engine gets the 1MZ-FE but you should be able to compare the layout/diagram to what you have just to be sure.

Thanks.
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Thursday, September 24th, 2020 AT 6:08 AM
Tiny
TOYPACIFIC
  • MEMBER
Thank you, thank you.
I will figure out the correct diagram but at least I know what to look for.
By the way, the return hose, would you happen to know where that would be located?
I see the pressure hose so I'm thinking the return hose also comes out the pump, yes?
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Thursday, September 24th, 2020 AT 6:33 AM
Tiny
KASEKENNY1
  • EXPERT
I am sorry. The 4 cylinder engine is the 2AZ-FE diagram.

As for the return line, that does not come off the pump. The flow through the system is it goes from the reservoir to the pump, from the pump to the rack and pinion as high pressure, from the rack back to the reservoir.

So in the attachments, the pump has a number 1 and 2 in red that I added. Number 1 is the pressure line going to the rack. Number 2 is from the reservoir to the pump.

The second attachment is number 1 is from the pump to the rack (pressure line). Then number 2 is from the rack back to the reservoir.
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Thursday, September 24th, 2020 AT 7:03 PM
Tiny
TOYPACIFIC
  • MEMBER
Thank you, this is spot on.
I apreciate this very much.
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Saturday, September 26th, 2020 AT 4:16 AM
Tiny
KASEKENNY1
  • EXPERT
You are welcome. Let us know how you make out. Thanks
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Sunday, September 27th, 2020 AT 8:29 AM

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