E 350 1 Ton Van V10-6.8L VIN S (1997)
Technical Service Bulletin # 98-5-10
Date: 980316
A/C - Unable To Control Temperature
Article No.
98-5-10
03/16/98
^
AIR CONDITIONING - NO TEMPERATURE
CONTROL - VEHICLES BUILT THROUGH 2/25/98
^
HEATER - NO TEMPERATURE CONTROL -
VEHICLES BUILT THROUGH 2/25/98
LIGHT TRUCK:
1997-98 ECONOLINE
This TSB article is being republished in its entirety to include 1998 model year vehicles and correct the build date of the affected vehicles.
ISSUE:
Absence of temperature control on some vehicles may be due to the blend door actuator shaft having an interference tit with the blend door, thus causing
the blend door to break.
ACTION:
Replace the heater case assembly with a revised heater case assembly. Refer to the following Service Procedure for details.
PART NUMBER
PART NAME
F7UZ-18478-CA
Heater case Assembly
OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 98-4-18
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage
OPERATION
DESCRIPTION
TIME
980510A
Replace Heater Case Assembly
1.7 Hrs.
DEALER CODING
CONDITION
BASIC PART NO.
CODE
18B545
01
OASIS CODES: 208000, 208100, 208200, 208300, 208999
Service Procedure
1.
Open both driver and passenger side doors.
2.
Install memory saver module, then disconnect battery negative cable.
3.
Drain cooling system.
4.
Using Heater Hose Disconnect Tool (T85T-18539-AH), disconnect and plug heater hoses from the heater core.
5.
Remove inside engine cover.
6.
Remove passenger side instrument panel finish panel.
7.
Remove driver side instrument panel finish panel.
8.
Remove passenger side instrument panel finish panel reinforcement.
9.
Remove passenger side instrument panel dash brace.