Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID

INSTRUMENTATION
SERVICE MANUAL NUMBER 24
Water Temperature
REMOVAL
1.
2.
Drain coolant from closed cooling system into a suitable container. Refer to SECTION
6B.
Remove TAN wire from temperature sender.
NOTE: Hoses are shown removed for clarity.
3.
Remove temperature sender.
a
b
a  - Water Temperature Sender
b  - Thermostat Housing
TESTING
1.
Connect an ohmmeter between temperature sender terminal (+) and hex for ground (–)
as shown.
a
b
72768
a  - Ohmmeter Leads
b  - Water Temperature Sender
2.
With ohmmeter connected as outlined and using suitable container, thermometer and
heat source, suspend sender with tip in water.
3.
4.
Heat water and observe thermometer.
As temperature rises ohmmeter readings must be within the ranges specified for each
temperature (see chart below).
5.
Turn heat source off. Allow water and components to cool.
Index
Page 4D-10
90-861327--1   OCTOBER 1999
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1998, 1999, 2000, 2001
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Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID SKU UPC Model
Fernando Woll on Dec 09, 2014. Boat Engine

Great performance engine.
Class 1

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