LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 1990 >> LS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Spark Plug >> Service and Repair >> Left Side
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Left Side

Distributor Replacement:




Left Side Ignition Wire Cover:






Removal
- Remove left side wire cover.

No. 3 Timing Belt Cover:





- Remove junction box cover.
- Remove No. 3 timing belt cover.
- Disconnect ignition wires from spark plugs.
- Remove spark plugs.



Installation
- Gap new spark plugs to 0.043 in. (1.1 mm).
- Install spark plugs.

Torque value - 13 ft.lb (18 Nm)

- Reattach ignition wires.
- Reinstall covers.