Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1998ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSAUTOMATIC TRANSMISSION/TRANSAXLESYSTEM SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS - UNIT REPAIR
1998 Chevrolet Astro Van 2WD V6-4.3L VIN W
Fastener Tightening Specifications - Unit Repair
1998 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Fastener Tightening Specifications - Unit Repair
Accumulator Cover To Case Bolt 8.0-14.0 Nm (6-10 lb ft)
Detent Spring To Valve Body Bolt 20.0-27.0 Nm (15-20 lb ft)
Oil Passage Cover To Case Bolt 8-14.0 Nm (6-10 lb ft)
Park Brake Bracket To Case Bolt 27.0-34.0 Nm (20-25 lb ft)
Valve Body To Case Bolt 8.0-14.0 Nm (6-10 lb ft)
Solenoid Assembly To Case Bolt 8.0-14.0 Nm (6-10 lb ft)
Transmission Fluid Pressure Manual Valve Position Switch To Valve Body Bolt:
8.0-14.0 Nm (6-10 lb ft)
Transmission Oil Pan To Case Bolt 9.5-13.8 Nm (7-10 lb ft)
Forward Accumulator Cover To Valve Body Bolt 8.0-14.0 Nm (6-10 lb ft)
Pump Cover To Pump Body Bolt 20.0-27.0 Nm (15-20 lb ft)
Pump Assembly To Case Bolt 20.0-27.0 Nm (15-20 lb ft)
Pressure Control Solenoid Bracket To Valve Body Bolt 8.0-14.0 Nm (6-10 lb ft)
Manual Shaft To Inside Detent Lever Nut 27.0-34.0 Nm (20-25 lb ft)
Line Pressure Plug 8.0-14.0 Nm (6-10 lb ft)
Cooler Pipe Connector 35.0-41.0 Nm (26-30 lb ft)
Plate To Case Bolt (Shipping) 27.0-34.0 Nm (20-25 lb ft)
Plate To Converter Bolt (Shipping) 27.0-34.0 Nm (20-25 lb ft)
Case Extension To Case Bolt (4WD Shipping) 11.2-22.6 Nm (8.3-16.7 lb ft)
Transmission Oil Cooler Pipe Fitting 35.0-41.0 Nm (26-30 lb ft)
Speed Sensor Retainer Bolt 10.5-13.5 Nm
B. Housing To Case Screw 18.0-22.0 Nm
Case Extension To Cas Bolt 42.0-48.0 Nm (35.0-39.4 lb ft)
Detent Spring To Valve Body Bolt 20.0-27.0 Nm (15-20 lb ft)
Oil Passage Cover To Case Bolt 8-14.0 Nm (6-10 lb ft)
Park Brake Bracket To Case Bolt 27.0-34.0 Nm (20-25 lb ft)
Valve Body To Case Bolt 8.0-14.0 Nm (6-10 lb ft)
Solenoid Assembly To Case Bolt 8.0-14.0 Nm (6-10 lb ft)
Transmission Fluid Pressure Manual Valve Position Switch To Valve Body Bolt:
8.0-14.0 Nm (6-10 lb ft)
Transmission Oil Pan To Case Bolt 9.5-13.8 Nm (7-10 lb ft)
Forward Accumulator Cover To Valve Body Bolt 8.0-14.0 Nm (6-10 lb ft)
Pump Cover To Pump Body Bolt 20.0-27.0 Nm (15-20 lb ft)
Pump Assembly To Case Bolt 20.0-27.0 Nm (15-20 lb ft)
Pressure Control Solenoid Bracket To Valve Body Bolt 8.0-14.0 Nm (6-10 lb ft)
Manual Shaft To Inside Detent Lever Nut 27.0-34.0 Nm (20-25 lb ft)
Line Pressure Plug 8.0-14.0 Nm (6-10 lb ft)
Cooler Pipe Connector 35.0-41.0 Nm (26-30 lb ft)
Plate To Case Bolt (Shipping) 27.0-34.0 Nm (20-25 lb ft)
Plate To Converter Bolt (Shipping) 27.0-34.0 Nm (20-25 lb ft)
Case Extension To Case Bolt (4WD Shipping) 11.2-22.6 Nm (8.3-16.7 lb ft)
Transmission Oil Cooler Pipe Fitting 35.0-41.0 Nm (26-30 lb ft)
Speed Sensor Retainer Bolt 10.5-13.5 Nm
B. Housing To Case Screw 18.0-22.0 Nm
Case Extension To Cas Bolt 42.0-48.0 Nm (35.0-39.4 lb ft)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.