mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

All Other Service Bulletins for Heater Core: > < Heater - Insufficient Heat
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The following temperatures are measured at the center instrument panel register, outside air mode and on the number 2 blower position. Field readings
will vary somewhat depending on the type of thermometer used and outside temperatures.

^

Idle - warm engine, 140~F (60~C).

^

Idle - hot engine, 150~F (65~C).

^

Highway speed - outside temperature 32~F (0~C), 152~F to 150~F (67~C to 65~C).

PART NUMBER

PART NAME

CLASS

E5RY-18476-A

Heater Core

C

E7RY-18C311-A

Heater Servo Switch

C

E5RY-18495-A

Water Valve

C

E6FZ-8575-A

Thermostat

C

(RT-1055)

OTHER APPLICABLE ARTICLES: 86-24-9
WARRANTY STATUS: Reimbursable within the provisions of the Warranty and Policy Manual
OPERATION: SP870608A - Check heater system*
TIME:

0.6 Hr. DLR. CODING: Basic Part No. 18476 - Code: 53

*

Includes time to check engine operating temperature, operation of servo control switch, operation of water valve and road test.

Additional time as required:
OPERATION: SP870608B - Replace heater core
TIME:

2.1 Hrs.

OPERATION: SP870608C - Replace servo control switch
TIME:

0.5 Hr.

OPERATION: SP870608D - Replace water valve
TIME:

0.4 Hr.

OPERATION: SP870608E - Remove - test and install thermostat
TIME:

0.6 Hr.

All Other Service Bulletins for Heater Core: > < Heater - Insufficient Heat