GX 470 V8-4.7L (2UZ-FE) (2004)
This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from
the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Components
Repair Procedure
1.
Verify the customer concern.
A.
Start the engine.
B.
Turn on the front and rear A/C.
a.
Face mode.
b.
Blower on low.
c.
Recirculate mode.
C.
Raise the engine RPM to 1500.
D.
Listen for crackling sound from the right rear (this may take 5-10 minutes). If there is a noticeable noise coming from the right rear HVAC
system, continue with step 2 of this procedure.
2.
Evacuate refrigerant HFC-134a (R134a).
Refer to the Technical Information System (TIS): 2004 model year GX 470 Repair Manual: Heater & Air Conditioner: Refrigerant: Replacement
(GX470). Equipment: Robinair R-134a Refrigerant Recovery/Recycling Machine (P/N 342000)
3.
Remove interior trim.
Refer to TIS: 2004 model year GX 470 Repair Manual: Heater & Air Conditioner: Cooling (Rear) Unit Assy: Overhaul (GX470).