Evaporator Tube Replacement

REMOVAL PROCEDURE




1. Remove the left front diagonal brace.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
3. Remove the liquid/suction line bracket.
4. Remove the vacuum brake booster.
5. Remove the liquid line fitting at the orifice.




6. Remove the liquid line bolt at the block fitting.

IMPORTANT: Use care when removing the tube line.

7. Remove the liquid line.
8. Remove the O-rings and discard.

INSTALLATION PROCEDURE

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




1. Install the new O-ring seals on to the liquid line.
2. Install the liquid line into place.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the liquid line at the block fitting.

Tighten
Tighten the liquid line bolt to 16 N.m (12 lb ft).




4. Install the liquid line nut at the orifice.

Tighten
Tighten the liquid line nut to 27 N.m (20 lb ft).

5. Install the liquid/suction line bracket.
6. Install the vacuum brake booster.
7. Evacuate and charge the system. Refer to Refrigerant Recovery and Recharging.
8. Inspect the system for leaks. Refer to Leak Testing.
9. Install the left front diagonal brace.