Engine Accessory Bracket: Service and Repair
Accessory Bracket
Removing
- Drain the coolant. Refer to => [ Draining and Filling ] Procedures.
- Remove the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.
- Remove the charge air pipe from the noise generator, if equipped. Refer to => [ Charge Air Pipe from Noise Generator ] Charge Air Pipe from Noise Generator.
- Remove the generator.
- Disconnect the Air Conditioning (A/C) compressor regulator valve (N280) - 1 - connector.
Risk of injury from refrigerant.
• The A/C refrigerant circuit must not be opened.
- Remove the A/C compressor bolts - arrows -.
Risk of damaging coolant lines and hoses.
• Do not stretch, kink or bend coolant lines and hoses.
- Tie up the A/C compressor with the refrigerant lines attached to the longitudinal member.
- Remove the bolt - arrow - for the oil dipstick guide tube.
- Remove the bolts - 1 through 5 - and remove the accessory bracket from the coolant pump housing.
Installing
• Replace bolts which have been tightened to a torque angle.
• Replace the O-rings and seals.
- Lubricate the O-rings - 4 - with coolant additive G12 plus-plus.
- Install the connection - 2 - into the coolant pump housing - 3 -.
- Slide the accessory bracket - 1 - onto the connection - 2 -.
- Mount the accessory bracket and then install the bolt - 4 -.
- Install the rest of the bolts. Tighten the bolts in 3 stages in sequence - 1 through 5 - as follows:
The rest of the installation is basically a reverse of the removal sequence; when doing this, note the following:
• Tightening specifications, refer to => [ Ribbed Belt Overview ] Ribbed Belt Overview.
• Install the A/C compressor.
• Install the generator.