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Mercury D4.2L D-Tronic Service Manual

Mercury D4.2L D-Tronic
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MAINTENANCE SERVICE MANUAL NUMBER 22
Page 1B-64 90-860074--1 FEBRUARY 2002
Battery
1. Ensure battery connections are clean and tight.
2. Keep exterior surfaces of battery wiped clean with a water/baking soda solution.
3. Ensure battery is securely fastened in place.
4. Refer to battery manufacturer’s recommendations for fluid level and charging.
Charging System
CAUTION
Remove all battery cables from battery (before conducting the following check) to
prevent accidentally causing a short circuit in the electrical system.
1. Inspect entire charging system for loose, damaged or corroded connectors.
2. Check wiring for frayed or worn insulation.
3. Check alternator mounting bolts for adequate tightness.
4. Check alternator drive belt for excessive wear, cracks, fraying and glazed surfaces.
Corrosion and Corrosion Protection
1. After first cleaning all surfaces, check all metal surfaces and touch up with Paint.
2. To maintain a protective coating on all metal surface areas, spray with Corrosion Guard.
NOTICE
For additional information on sterndrive unit corrosion protection and external corrosion
protection refer to appropriate Mercury MerCruiser Sterndrive Service Manual.
Saltwater Operation
Seawater section must be flushed after each saltwater use. Refer to SECTION 1B Flushing
Seawater System.

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Mercury D4.2L D-Tronic Specifications

General IconGeneral
BrandMercury
ModelD4.2L D-Tronic
CategoryEngine
LanguageEnglish

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