Heater Performance Issues in F 250 2WD Pickup V8-69L Diesel (1985)
Thermostat: All Technical Service Bulletins
Heater - Poor Performance
Article No. 85-17-11
HEATER PERFORMANCE - POOR (6.9L DIESEL) - NEW DESIGN THERMOSTAT
LIGHT TRUCK 1983-85 E AND F-SERIES
A new thermostat (part number E5TZ-8575-C) is available to replace the current thermostat (part number E3TZ-8575-A). The new thermostat
(E5TZ-8575-C) is less sensitive to sand and debris clogging.
The new thermostat (E5TZ-8575-C) is particularly applicable to customer concerns of poor heater performance resulting from a clogged thermostat.
The information contained in TSB 84-23-8 should be reviewed to ensure proper diagnosis.
NOTE:
Existing dealer stock of E3TZ-8575-A thermostats can be used for non-heater performance related repairs, until exhausted.
PART NUMBER
PART NAME
CLASS
E5TZ-8575-C
Thermostat
A
OTHER APPLICABLE ARTICLES: 84-23-8, 84-5-15S (84-14)
WARRANTY STATUS: "INFORMATION ONLY"
