4-Speed Transmission

1990 Chevrolet Blazer Full Size V8-350 5.7LSECTION 4-Speed Transmission


FASTENER TORQUE SPECIFICATIONS
Plug, drain and Fill 23 Nm (17 lb ft)
Cross Lever Bracket Screw 25 Nm (18 lb ft)
Control Bracket Screw 33 Nm (24 lb ft)
Control Mounting Screw 45 Nm (33 lb ft)
Control Lubrication Screw 45 Nm (33 lb ft)
Side Cover Screw 20 Nm (15 lb ft)
Rear Retainer Screw:
Top 27 Nm (20 lb ft)
Bottom 40 Nm (30 lb ft)
Transmission to Clutch Housing Screw 100 Nm (74 lb ft)
Transmission to Mount Screw 47 Nm (35 lb ft)
Crossmember to Mount Screw 54 Nm (40 lb ft)
Crossmember to Frame Screw 75 Nm (55 lb ft)
Flywheel to Crankshaft Bolts 100 Nm (75 lb ft)
Clutch Cover to Flywheel......Tighten each screw one turn at a time to avoid warping the clutch cover.

NOTE: The OE service manual does not provide a tightening specification for the clutch cover to flywheel screws.


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.