EasyManuals Logo

Mercury MerCruiser MCM 4.3L EFI ALPHA User Manual

Mercury MerCruiser MCM 4.3L EFI ALPHA
40 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #16 background imageLoading...
Page #16 background image
MAINTENANCE SERVICE MANUAL NUMBER 25
Page 1B-16 90-861328--1 NOVEMBER 1999
Filling and Bleeding
IMPORTANT: Power steering system must be filled exactly as explained in the follow-
ing to be sure that all air is bled from the system. All air must be removed, or fluid in
pump may foam during operation and be discharged from pump reservoir. Foamy
fluid also may cause power steering system to become spongy, which may result in
poor boat control.
1. With engine stopped, position drive unit so that it is straight back.
2. Remove fill cap / dipstick from power steering pump.
3. Add Quicksilver Power Trim and Steering Fluid or Dexron III automatic transmission
fluid (ATF), as required, to bring level up to FULL COLD mark on dipstick.
IMPORTANT: Use only Quicksilver Power Trim and Steering Fluid or Dexron III auto-
matic transmission fluid (ATF), in power steering system.
4. Turn steering wheel back and forth to end of travel in each direction several times.
5. Recheck fluid level and add fluid, if necessary.
6. Install vented fill cap. Tighten securely.
CAUTION
DO NOT operate engine without water being supplied to seawater pickup pump, or
pump impeller may be damaged and subsequent overheating damage to engine
may result.
7. Start engine and run at fast idle (1000-1500 rpm) until engine reaches normal operating
temperature. During this time, turn steering wheel back and forth to end of travel in each
direction several times.
8. Position drive unit so that it is straight back and stop engine.
9. Remove fill cap from pump.
10. Allow any foam in pump reservoir to disperse.
11. Check fluid level and add fluid, as required, to bring level up to FULL HOT mark on dip-
stick. DO NOT OVERFILL.
12. Reinstall fill cap. Tighten securely.
IMPORTANT: Drive unit must be positioned straight back and power steering fluid
must be hot to accurately check fluid level.
13. If fluid is still foamy (in Step 5.), repeat Steps 7. through 12. until fluid does not foam and
level remains constant.

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Mercury MerCruiser MCM 4.3L EFI ALPHA and is the answer not in the manual?

Mercury MerCruiser MCM 4.3L EFI ALPHA Specifications

General IconGeneral
BrandMercury
ModelMerCruiser MCM 4.3L EFI ALPHA
CategoryEngine
LanguageEnglish

Related product manuals