3B1-10 POWER STEERING Disconnect the battery ground cable. 1. Disconnect air intake hose at turbocharger side. 2. Raise the vehicle and remove front exhaust pipe with exhaust brake. Tighten: Nut to 167 N m (17 kg m / 123 lb ft) Connect the oil pipe. Tighten flare nuts to specified torque. Tighten: Flare nut to 44 N m (4.5 kg m / 33 lb ft) 9. Install the bumper assembly. (for Non-Tilt Cab Model) Remove bolts at manifold, silencer and support bracket. 3. Place a container under the hydraulic pump as- sembly to catch fluid when disconnecting hoses. Clean the surfaces around fittings before removing them. Tighten: Bumper bolt to 40 N m (4.1 kg m / 30 lb ft) 10. Install the under panel.
(for Non-Tilt Cab Model) 11. Install the head light assembly, front grille and front combination light assembly. (for Non-Tilt Cab Mod- el) Refer to “Headlight Replacement”. Notice: After installation, adjust head light aiming. Refer to “Cab and Chassis Electrical”. (Non-Tilt Cab Model) Power Steering Pump Preparation Drain the fluid through the pipe which is connected to the return board for the power steering pump. Disconnect the fluid piping. Removal 4J Series Engine N3A0135E Loosen the idler pulley locking nuts (1) for the pow- er steering pump. 4. Remove power steering outlet flexible hose (1) and nut. 5. Remove hydraulic booster outlet pipe (2) nut. 6.
Remove two clips for hydraulic booster lines on the flywheel housing. 7. Remove clip for hydraulic booster lines on the left side member. 8. Hydraulic booster inlet hose (3). 9. Power steering inlet hose (4). 10. Remove hydraulic booster pipe from the pump. 11. Remove hydraulic pump assembly with bracket and O-ring. Loosen the adjusting bolts for the drive belt and re- move the drive belt. Remove the pipe brackets (2) and clips (3) on the alternator side. Remove the pump mounting brackets. 4HE1 Engine N3A0132E Block the vehicle wheels and apply the parking brake.