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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 Disassemble

Pump Disassemble

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 Scavenge Pump Cover Retaining Bolts
    GM12016Courtesy of GENERAL MOTORS CORP.
  1. Remove the two 10-mm bolts (226) from under the scavenge pump cover (237) and scavenge pump body (225).
    2. Fig 2: Identifying Secondary Pump Body
    GM12018Courtesy of GENERAL MOTORS CORP.
  2. Remove the secondary pump body (203) from the pump assembly. This is a snug fit due to the use of two dowel pins.
    3. Fig 3: View Of Oil Pump Drive Shaft & Secondary Pump Gears
    GM12019Courtesy of GENERAL MOTORS CORP.
  3. Remove the oil pump drive shaft (207), and the secondary pump gears (205, 206).
    4. Fig 4: Identifying Scavenge Pump Gears
    GM12020Courtesy of GENERAL MOTORS CORP.
  4. Remove the scavenge pump body (225) from the scavenge pump cover (237).
  5. Remove the scavenge pump gears (223, 224).
    6. Fig 5: Identifying Primary Pump Gears
    GM12021Courtesy of GENERAL MOTORS CORP.
  6. Remove the primary pump body (200) from the scavenge pump cover (237).
  7. Remove the primary pump gears (201, 202).
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