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'03 Power Steering pump- too much pressure??

Discussion in 'Cherokee' started by MadMaximus, Sep 10, 2017.

  1. Sep 10, 2017 at 9:25 PM
    #1
    MadMaximus

    #1
    MadMaximus [OP] New Member

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    Replaced power steering pump on '03 Grand Cherokee 4.7L. Bled line, proper level but when I started the engine the hose section of reservoir return line from the cooler blew off. Clamped, refilled and bled. Started again and the pressure line just above it blew off. Repeated and started again and now have a leak in the cooler that is attached to the front of the radiator. Any ideas? Could it be a defective pump that is creating too much pressure?
    Thanks!
     
    MadMaximus, Sep 10, 2017
    #1
  2. Sep 11, 2017 at 7:20 PM
    #2
    JKBob 25

    #2
    JKBob 25 Well-Known Member

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    Welcome to the forum MadMax.
    My first thought. And I'm sorry if I'm stating the obvious. Are you torqueing down on the clamp. If any one has seen this before. Please chime in.
     
    JKBob 25, Sep 11, 2017
    #2
  3. Sep 11, 2017 at 8:54 PM
    #3
    aggrex

    #3
    aggrex Well-Known Member

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    Rent, buy, borrow a power steering pressure gauge and check your system at idle. A high pressure reading might indicate a restriction in the system.
     
    aggrex, Sep 11, 2017
    #3
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