INSTALLATION
1. Disconnect electrical connector at Engine Cool-
ant Temperature (ECT) sensor.
1.
Connect electrical connector to the Knock Sen-
sor (KS) module.
2.
Mount KS module to electrical bracket.
b
b
72799
a
a - Thermostat Housing
b - Engine Coolant Temperature (ECT) Sensor
a
2.
Remove ECT from thermostat housing.
CLEANING AND INSPECTION
1.
2.
Clean with a dry cloth, removing any excess seal-
ant from the base threads.
Look for evidence of any physical damage to
base or connector surfaces of the ECT.
INSTALLATION
72801
1.
Install ECT in thermostat housing. TIGHTEN
HAND TIGHT PLUS 2-1/2 TURNS MAXIMUM.
a - Electrical Bracket
b - Knock Sensor (KS) Sensor
Engine Coolant Temperature (ECT)
Sensor
NOTICE
Refer to “Service Precautions,” in “Repair
Procedures,” BEFORE proceeding.
b
REMOVAL
a
NOTE: Handle the ECT carefully as any damage to
it will affect operation of the system.
72799
a - Thermostat Housing
b - Engine Coolant Temperature (ECT) Sensor
2.
Connect electrical connector to ECT.
Index
5C-172 - ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY)
90-823224--2 796
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
Model Year | 1993, 1994, 1995, 1996, 1997 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you