2004 Chevrolet Optra Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Fastener Tightening Specifications

Application Specification
Metric English
Adjuster Plug 12 N.m 106 lb in
Adjuster Plug Locknut 75 N.m 56 lb ft
Air Filter Housing Assembly Bolts 6 N.m 53 lb in
Control Module Bracket Bolts 7 N.m 62 lb in
Dash Seal Retaining Ring Nuts 7 N.m 62 lb in
Fluid Reservoir 10 N.m 89 lb in
High Pressure Hose Fitting 28 N.m 21 lb ft
Hydraulic Cylinder Line Fittings - Cylinder End 28 N.m 21 lb ft
Hydraulic Cylinder Line Fittings - Valve End 18 N.m 13 lb ft
Inner Tie Rod 100 N.m 74 lb ft
Intermediate Shaft Pinch Bolts 25 N.m 18 lb ft
Outer Tie Rod Adjusting Nut 64 N.m 47 lb ft
Outer Tie Rod Nuts 50 N.m 37 lb ft
Pinion Locknut 30 N.m 22 lb ft
Pinion Preload 1 N.m 9 lb in
Power Steering Pump Bolts 25 N.m 18 lb ft
Power Steering Pump Pressure Line Fitting 28 N.m 21 lb ft
Radiator Clip Bolts 8 N.m 71 lb in
Return Line Clips Bolts 8 N.m 71 lb in
Right Side Power Steering Pump Bracket Bolts 35N.m 26 lb ft
Steering Gear Inlet and Outlet Pipe Fittings 28 N.m 21 lb ft
Steering Gear Mounting Bracket Nuts and Bolts 60 N.m 44 lb ft
Transaxle Center Bracket-to-Engine Bolt 80 N.m 59 lb ft
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.