Q45 V8-4.5L (VK45DE) (2002)
Technical Service Bulletin # 01-047
Date: 010901
A/C System - Poor Performance
Classification:
HA01-002
Reference:
ITB01-047
Date:
September 1, 2001
2002 Q45 A/C SYSTEM PERFORMANCE
APPLIED VEHICLES:
2002 Q45 (F50)
APPLIED DATE:
Vehicles built before September 1, 2001
SERVICE INFORMATION
If an Applied 2002 Q45 A/C system cools slowly or does not get cold enough, this bulletin provides a series of service procedures intended to improve
the cool-down performance of the A/C system.
Installation and replacement parts for the Evaporator Seal Application, Blower Motor Replacement, and Engine Compartment - A/C System Parts
Replacement procedures are provided in the A/C Service Kit (see PARTS INFORMATION section for detail).
Replacement grille parts needed to complete the A/C Ventilator Grilles Replacement Procedure are provided in the Grille Replacement Kit. The Grille
Replacement kit must be ordered based on interior trim color (see Step 1 under A/C Ventilator Grilles Replacement Procedure and the PARTS
INFORMATION section for detail).
Service Procedure Overview:
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Install an evaporator seal
^
Replace the blower motor
^
Replace the ventilation air filter (micro filter)
^
Replace the right and left-hand side ventilator grilles
^
Replace the left center ventilator grille
^
Replace the right and left b-pillar instrument side finishers (if vehicle is equipped)
^
Replace the alternator/water pump/A-C compressor belt
^
Replace the low-pressure pipe
^
Replace the low-pressure flexible hose
^
Replace the compressor
^
Reduce the quantity of oil in the replacement compressor
^
Increase the amount of refrigerant
^
Replace the A/C information label on the underside of the hood
^
Reprogram the vehicle's ECM to the New ECM Data P/N (if needed)
Complete all of the steps in the Service Procedure provided in this bulletin and use the A/C Service kit and color appropriate Grille Replacement kit
shown in the PARTS INFORMATION section of this bulletin to resolve this incident, if it should occur.