LS400 1990-1997

Starter

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Removal & Installation



Specific to:

Lexus LS400 1990-1999

  1. Remove the V-Bank cover.
  2.  
  3. Disconnect the accelerator cable.
  4.  
  5. Remove the battery clamp cover, air cleaner inlet and intake air connector.
  6.  
  7. Disconnect the throttle body.
  8.  
  9. Remove the intake manifold assembly.
  10.  
  11. Remove the rear water bypass joint.
  12.  
  13. Remove the water bypass pipe.
    1. Remove the bolt.
    2.  
    3. Pull out the water bypass pipe from the water pump.
    4.  
    5. Disconnect the wire clamp from the bracket on the water bypass pipe.
    6.  
    7. Remove the O-ring from the water bypass pipe.
    8.  

  14.  
  15. Remove the starter.
    1. Remove the 2 bolts holding the starter to the cylinder block.
    2.  
    3. Disconnect the starter from the cylinder block.
    4.  
    5. Disconnect the starter connector.
    6.  
    7. Remove the nut, and disconnect the starter wire.
    8.  
    9. Remove the bolt, and disconnect the wire clamp from the starter and remove the starter.

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      Fig. Starter components (1 of 3)



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      Fig. Starter components (2 of 3)



      Click image to see an enlarged view

      Fig. Starter components (3 of 3)

    10.  

  16.  

To install:

  1. Install starter.
    1. Install the wire clamp to the wire bracket with the bolt. Tighten bolt to 84 inch lbs. (9.81 Nm).
    2.  
    3. Connect the starter wire with the nut. Tighten nut to 84 inch lbs. (9.81 Nm).
    4.  
    5. Connect the starter connector.
    6.  
    7. Install the starter with the 2 bolts. Tighten bolts to 29 ft. lbs. (39 Nm).
    8.  

  2.  
  3. Install the water bypass pipe.
    1. Install a new O-ring to the water bypass pipe.
    2.  
    3. Apply soapy water to the O-ring.
    4.  
    5. Push in the water bypass pipe end into the pipe hole of the water pump.
    6.  
    7. Install the wire clamp to the bracket on the water bypass pipe.
    8.  
    9. Install the water bypass pipe with the bolt. Tighten bolt to 13 ft. lbs. (18 Nm).
    10.  

  4.  
  5. Install the rear water bypass joint.
  6.  
  7. Install the intake manifold assembly.
  8.  
  9. Connect the throttle body.
  10.  
  11. Install the intake air connector, air cleaner inlet and battery clamp cover.
  12.  
  13. Connect the accelerator cable.
  14.  
  15. Install the V-Bank cover.
  16.  

Testing



Specific to:

Lexus LS400 1990-1999


NOTE
These tests must be done within 3 to 5 seconds to avoid burning out the coil.

  1. Do Pull-in test.
    1. Disconnect the field coil lead wire from terminal C.
    2.  
    3. Connect the battery to the magnetic switch. Check that the pinion gear moves outward.
    4.  

  2.  
  3. Do Hold-in test.
    1. While connected as above with the pinion gear out, disconnect the negative (-) lead from terminal C. Check that the pinion gear remains out.
    2.  

  4.  
  5. Inspect the clutch pinion gear return.
    1. Disconnect the negative (-) lead from the starter body. Check that the pinion gear returns inward.
    2.  

  6.  
  7. Do No-load performance test.
    1. Connect the battery and ammeter to the starter.
    2.  
    3. Check that the starter rotates smoothly and steadily with the pinion gear moving out. Check that the ammeter shows the specified current. Specified current: At 11.5 V: 100 A or less
    4.  

  8.  

 
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