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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Automatic Transaxle - 4T80-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Pump Assemble

Pump Assemble

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Secondary Pump Gears
    GM12026Courtesy of GENERAL MOTORS CORP.
  1. Install the secondary pump gears (205, 206) into the secondary pump body (203).
    2. Fig 2: IIdentifying Primary Pump Gears
    GM12027Courtesy of GENERAL MOTORS CORP.
  2. Install the primary pump gears (201, 202) into the primary pump body (200).
    3. Fig 3: Locating Dimples On Pump Gears
    GM12028Courtesy of GENERAL MOTORS CORP.
  3. Inspect the pump gears (201, 202, 205, 206). These gears must be installed with the dimples facing up.
    4. Fig 4: View Of Scavenge Pump Cover And Primary Pump Body
    GM12029Courtesy of GENERAL MOTORS CORP.
  4. Install the scavenge pump cover (237) onto the primary pump body (200) over the dowel bushings (227). Tap the dowels in place to that they stick out of both the primary pump body and the scavenge cover.
    5. Fig 5: View Of Scavenge Pump Cover, Primary Body Assembly & Secondary Pump Body
    GM12030Courtesy of GENERAL MOTORS CORP.
  5. Install the scavenge pump cover and primary body assembly (200/237) onto the secondary pump body (203). Press the entire assembly firmly together.
    6. Fig 6: Identifying Oil Pump Driven Shaft
    GM12031Courtesy of GENERAL MOTORS CORP.
  6. Install the oil pump driven shaft (207) into the pump assembly. The end of the shaft with the four notches is located in the secondary pump.
  7. Install the scavenge pump drive gear (223) over the pump driven shaft.
    8. Fig 7: Aligning Scavenge Pump Driven Gears
    GM12032Courtesy of GENERAL MOTORS CORP.
  8. Align the scavenge pump driven gears (224) next to the drive gear (223). Install the scavenge pump body (225) onto the scavenge pump cover. Locate the scavenge pump driven gear pins into the scavenge pump driven gears (224). Press firmly into position.
    9. Fig 8: Locating Scavenge Pump Cover Retaining Bolts
    GM12016Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  9. Install the two 10-mm bolts (226) through the scavenge pump cover (237) to the scavenge pump body (225).

    Tighten:  Tighten the bolts to 11-13 N.m (8.0-9.5 lb ft).

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