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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Automatic Transmission - VT40 (MRG) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Transmission Fluid Pump Disassemble

Transmission Fluid Pump Disassemble

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GM4677833Courtesy of GENERAL MOTORS COMPANY
Automatic Transmission Fluid Filter Disassemble

Callout Component Name
1 Automatic Transmission Auxiliary Fluid Pump Bolt M5 x 20
2 Automatic Transmission Fluid Filter
Procedure 
Remove and DISCARD the filter.
Fig 1: Exploded View Of Drive Link, Drive Sprocket And Driven Sprocket Components
GM4677901Courtesy of GENERAL MOTORS COMPANY
Drive Link, Drive Sprocket, and Driven Sprocket Disassemble

Callout Component Name
1 Automatic Transmission Fluid Baffle
2 Driven Sprocket Retaining Ring
Procedure 
Remove and discard the retaining ring.
3 Drive Link
4 Driven Sprocket
Procedure 
Remove the sprockets and chain at the same time.
5 Drive Sprocket
6 Drive Sprocket Thrust Washer
7 Torque Converter Fluid Seal Ring
Procedure 
Remove and DISCARD the seal.
GM4677930Courtesy of GENERAL MOTORS COMPANY
Automatic Transmission Auxiliary Fluid Pump Disassemble

Callout Component Name
1 Automatic Transmission Auxiliary Fluid Pump Bolt [3x] M5 x 33
2 Automatic Transmission Auxiliary Fluid Pump Bolt M5 x 50
3 Automatic Transmission Auxiliary Fluid Pump
4 Automatic Transmission Auxiliary Fluid Pump Seal
Procedure 
Remove and DISCARD the seal.
Fig 2: Exploded View Of Automatic Transmission Fluid Pump Body
GM4679290Courtesy of GENERAL MOTORS COMPANY
Automatic Transmission Fluid Pump Body Disassemble

Callout Component Name
1 Automatic Transmission Fluid Pump Cover Bolt [2x] M6 x 30
2 Automatic Transmission Fluid Pump Cover Bolt [7x] M6 x 65
3 Line Blowoff Ball Valve Spring Retainer
4 Line Blowoff Ball Valve Spring
5 Line Blowoff Ball Valve
6 Automatic Transmission Fluid Pump Body
7 Automatic Transmission Fluid Pump Pressure Plate Seal
Procedure 
Remove and DISCARD the seal.
8 Automatic Transmission Fluid Pump Pressure Plate
NOTE:

The fluid pump pressure plate may be stuck in the fluid pump body.

9 Automatic Transmission Fluid Pump Pressure Plate Seal
Procedure 
Remove and DISCARD the seal.
10 Automatic Transmission Fluid Pump Shaft
11 Automatic Transmission Fluid Pump Cam
12 Automatic Transmission Fluid Pump Thrust Plate
13 Auxiliary Control Valve Body Spacer Plate
GM4679705Courtesy of GENERAL MOTORS COMPANY
Forward Clutch Housing Fluid Seal Ring Disassemble

Callout Component Name
1 Forward Clutch Housing Fluid Seal Ring [2x]
Procedure 
Remove and DISCARD the seal.
2 Forward Clutch Housing Fluid Seal Ring [2x]
Procedure 
Remove and DISCARD the seal.