Quest V6-3.5L (VQ35DE) (2009)
a. Under the vehicle, tighten the high/low pressure pipe connection (1) bolt (A) as shown to specification.
b. Install the A/C pipe clamp (2) and tighten the A/C pipe clamp bolt (B).
c. As necessary, reposition the rear heater pipe clamp (3).
d. Attach the other pipe support clip to the dash panel threaded stud.
e. From the engine compartment, tighten the fittings between the upper and lower high pressure pipe (A) and the low pressure pipe (B) as shown
to specification.
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Arrow Indicates Front
CAUTION:
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Do NOT damage the hydraulic brake lines or any other surrounding parts when tightening the fittings.
4. Connect the power brake booster vacuum hose to the intake manifold collector.
5. Check that there is sufficient clearance between the lower high/low pressure pipe and the front stabilizer bar. Adjust the lower high/low pressure
pipe as necessary.
6. Evacuate and recharge the A/C system and check the A/C system for leaks. Refer to See: Service and Repair/HFC.-134A (R-134A) Service
Procedure.
7. Install the remaining components in the reverse order of removal.
Removal And Installation For Low-Pressure Flexible Hose
REFRIGERANT LINES
Removal and Installation for Low-Pressure Flexible Hose
REMOVAL
1. Discharge the refrigerant. Refer to See: Procedures.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
2. Remove the engine under cover.
3. Remove the low-pressure flexible hose. Refer to See: Locations.
INSTALLATION
Installation is in the reverse order of removal. Refer to See: Locations.
CAUTION:
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Replace the O-ring of the low-pressure flexible hose with a new one, then apply compressor oil to it when installing it.
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After charging refrigerant, check for leaks.
Removal And Installation For High/Low-Pressure Pipe
REFRIGERANT LINES
Removal and Installation for High/Low-Pressure Pipe