Durango 4WD V8-5.9L VIN Z (1998)
Technical Service Bulletin # 24-20-99A
Date: 991217
A/C Bi-Level Mode - Unbalanced Vent Air Flow
NUMBER: 24-20-99 Rev. A
GROUP: Heating & A/C
DATE: Dec. 17, 1999
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 24-20-99, DATED OCT. 8, 1999, WHICH SHOULD BE REMOVED FROM
YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE ADDITIONAL PARTS AND PROCEDURES.
SUBJECT:
While In Bi-level Mode, Air Flow From Panel Vents Is Less Than That Of The Floor Vents
OVERVIEW:
This bulletin involves installing a panel-defrost control lever **and a retaining push nut**.
MODELS:
1997 - 2000 (AN) Dakota
1998 - 2000 (DN) Durango
SYMPTOM/CONDITION:
While in bi-level mode, air flow from panel vents is less than that of the floor vents.
DIAGNOSIS:
While in bi-level mode, there should be an approximately 50% air distribution between the panel vents and the heater outlets. Operate the heater A/C
system in panel, bi-level, and heater modes. If the air distribution is good in the heater and panel modes, but when in bi-level mode, air distribution to the
heater outlets is greater than the panel outlets, perform the Repair Procedure.
PARTS REQUIRED:
1
03847858
Lever, Panel-Defrost Control
**1
06031147
Push Nut**
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No:
24-50-33-91
1.4 Hrs.
FAILURE CODE: P8 - New Part
Repair Procedure
THIS REPAIR IS COMPATIBLE WITH DAIMLERCHRYSLER'S MOBILE SERVICE PROGRAM AND NOT REQUIRE HOISTS OR OTHER
FULL SERVICE FACILITY SPECIAL EQUIPMENT.
WARNING:
REFER TO THE APPROPRIATE SERVICE MANUAL, GROUP 8M-PASSIVE RESTRAINT SYSTEMS, BEFORE ATTEMPTING TO
SERVICE THE HEATER-A/C HOUSING ASSEMBLY. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN
ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
1.
Rotate the steering wheel so that the steering wheel is in an upside down position then, remove the ignition key to lock the steering wheel in this
position.
2.
Position the front seats in the full rearward position.
3.
Disconnect and isolate the battery negative cable.
