Liquid Line Replacement (6.0L Engine)

Liquid Line Replacement (6.0L Engine)

Removal Procedure

Caution: Refer to Safety Glasses Caution (Safety Glasses Warning) .
1. Recover the refrigerant Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging) .
Caution: Refer to Battery Disconnect Caution (Battery Disconnect Caution) .
2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair) .
3. Remove the air filter assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair) .
4. Remove the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement (Service and Repair) .
5. Remove the engine cover. Refer to Engine Cover Replacement (Service and Repair) .
Caution: Refer to Vehicle Lifting Caution (Service Precautions) .
6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
7. Remove the front air deflector. Refer to Front Air Deflector Replacement (Service and Repair) .




8. Remove the liquid pipe to the condenser port retaining nut (1).




9. Disconnect the liquid pipe (1) from the condenser port (3).

Important: The sealing washer (2) is a single use item and must be discarded after use.


10. Remove the sealing washer (2). Refer to Sealing Washer Replacement (Sealing Washer Replacement) .
Discard the sealing washer

Important: Cover any opening of the A/C system with a suitable cap or tape immediately, to prevent absorption of moisture from the atmosphere.


11. Cap or plug the liquid pipe (1) and the condenser port (3).




12. Disconnect the vacuum hose (1) and the vacuum brake booster check valve (3) from the vacuum brake booster (2).
13. Detach the vacuum hose (1) from the bulkhead mounted vacuum hose retaining bracket (4) and position aside.




14. Remove the remote battery positive post cover (1).




15. Remove the remote battery positive post to wiring harness retaining bolt (1).
16. Remove the starter motor power cable (2) and position aside.




17. Remove the suction pipe upper to suction pipe lower retaining nut (1).




18. Remove the suction pipe/liquid pipe retaining clip to left front chassis rail retaining bolt (3).
19. Detach the liquid pipe (1) from the suction pipe/liquid pipe retaining clip (2).




20. Disconnect the suction pipe upper (1) from suction pipe lower (2).

Important: The sealing washer (3) is a single use item and must be discarded after use.


21. Remove the sealing washer (3). Refer to Sealing Washer Replacement (Sealing Washer Replacement) .
Discard the sealing washer

Important: Cover any opening of the A/C system with a suitable cap or tape immediately, to prevent absorption of moisture from the atmosphere.


22. Cap or plug the suction pipe upper (1) and the suction pipe lower (2).




23. Detach the suction pipe (2) and the liquid pipe (3) from the suction pipe/liquid pipe retaining clip (1).




24. Remove the suction pipe/liquid pipe pad to TX Valve retaining nut (1).




25. Disconnect the suction pipe/liquid pipe pad (3) from the TX valve (1).

Important: The sealing washers (2) are a single use item and must be discarded after use.


26. Remove the sealing washers (2). Refer to Sealing Washer Replacement (Sealing Washer Replacement) .
Discard the sealing washers

Important: Cover any opening of the A/C system with a suitable cap or tape immediately, to prevent absorption of moisture from the atmosphere.


27. Cap or plug the suction pipe (4), liquid pipe (5) and the TX valve (1).
28. Remove the liquid pipe (5) from the suction pipe/liquid pipe pad (3).
29. Remove the liquid pipe (5) from the engine compartment



Installation Procedure





1. Install the liquid pipe (5) to the suction pipe/liquid pipe pad (3).
2. Remove the plugs or caps from the suction pipe (4), liquid pipes (5) and the TX valve (1).
Important: DO NOT coat the NEW sealing washers (2) with oil, they must be fitted dry. The use of mineral oil will render the sealing washers (2) useless, as the sealing washers (2) WILL swell causing refrigerant to leak out.


Install NEW sealing washers (2). Refer to Sealing Washer Replacement (Sealing Washer Replacement) .
3. Position the suction pipe/liquid pipe pad (3) to the TX Valve (1).





Notice: Refer to Fastener Notice (Fastener Notice) .

4. Install the suction pipe/liquid pipe pad to TX valve retaining nut (1).

Tighten the nut to 22 N.m(16 lb ft).

5. Raise the vehicle.




6. Remove the plugs or caps from the suction pipe liquid pipe (1) and the condenser port (3).

Important: DO NOT coat the NEW sealing washer (2) with oil, they must be fitted dry. The use of mineral oil will render the sealing washer (2) useless, as the sealing washer (2) WILL swell causing refrigerant to leak out.


7. Install a NEW sealing washer (2). Refer to Sealing Washer Replacement (Sealing Washer Replacement) .
8. Connect the liquid pipe (1) to the condenser port (3).




9. Install the liquid pipe to condenser port retaining nut (1).

Tighten the nut to 22 N.m(16 lb ft).

10. Install the front air deflector. Refer to Front Air Deflector Replacement (Service and Repair) .




11. Remove the plugs or caps from the suction pipe upper (1) and the suction pipe lower (2).

Important: DO NOT coat the NEW sealing washer (3) with oil, they must be fitted dry. The use of mineral oil will render the sealing washer (3) useless, as the sealing washer (3) WILL swell causing refrigerant to leak out.


12. Install a NEW sealing washer (3). Refer to Sealing Washer Replacement (Sealing Washer Replacement) .
13. Install the suction pipe upper (1) to the suction pipe lower (2).




14. Attach the liquid pipe (1) to the suction pipe/liquid pipe retaining clip (2).
15. Install the suction pipe/liquid pipe retaining clip to left front chassis rail retaining bolt (3).




16. Install the suction pipe upper to suction pipe lower retaining nut (1).

Tighten the nut to 22 N.m( 16 lb ft).





17. Install the starter motor positive cable (2) to the remote battery positive post (3).
18. Install the remote battery positive post to wiring harness retaining bolt (1).

Tighten the bolt to 15 N.m (11 lb ft).






Important: Make sure the clips on the remote battery positive post cover (1) are engaged to avoid an induced rattle condition.


19. Install the remote battery positive post cover (1).




20. Attach the suction pipe (2) and the liquid pipe (3) to the suction pipe/liquid pipe retaining clip (1).




21. Connect the vacuum hose (1) and the vacuum brake booster check valve (3) to the vacuum brake booster (2).
22. Attach the vacuum hose (1) to the bulkhead mounted vacuum hose retaining bracket (5).
23. Install the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement (Service and Repair) .
24. Install the air filter assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair) .
25. Install the engine cover. Refer to Engine Cover Replacement (Service and Repair) .
26. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair) .
27. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging) .
28. Leak test the liquid line pipe connections. Refer to Leak Testing (Leak Testing) .