Suction Hose Replacement

TOOLS REQUIRED
J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE




1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the air cleaner assembly.
3. Remove the vacuum brake booster.
4. Remove the evaporator tube/suction hose bracket.




5. Loosen the suction hose nut at the accumulator (2).
6. Disconnect the suction hose from the accumulator.




7. Remove the suction hose to evaporator core block fitting bolt.
8. Disconnect the suction hose from the evaporator.
9. Remove the suction hose.
10. Remove the O-ring seal and discard.

INSTALLATION PROCEDURE

IMPORTANT: The new O-ring seal must be coated with mineral base 525 viscosity refrigerant oil.




1. Install the new O-ring seal.
2. Install the suction hose.
3. Connect the suction hose to the evaporator.

NOTE: Refer to Fastener Notice in Service Precautions.

4. Install the suction hose to evaporator core block fitting bolt.

Tighten
Tighten the suction hose block fitting bolt to 16 N.m (12 lb ft).




5. Connect the suction hose to the accumulator (2).
6. Tighten the suction hose nut at the accumulator.

Tighten
Tighten the suction hose nut at the accumulator to 47 N.m (35 lb ft).




7. Install the evaporator tube/suction hose bracket.
8. Install the vacuum brake booster bracket.
9. Install the air cleaner assembly.
10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
11. Leak test the fittings of the component using J 39400-A.