MerCruiser 305 CID (5.0L) Service Manual page 585

FUEL INJECTION DISASSEMBLY AND REASSSEMBLY
CLEANING AND INSPECTION
IMPORTANT: DO NOT use cleaners containing methyl ethyl ketone. It is not
necessary for cleaning throttle bore and valve deposits.
IMPORTANT: DO NOT allow the TP sensor and IAC valve to come into contact with
solvent or cleaner.
IMPORTANT: Use care when removing gasket material from plenum and throttle
body. Failure to do so could result in damage to the plenum and throttle body.
1. Carefully remove all gasket material from plenum and throttle body.
2. Thoroughly clean all parts of throttle body. Make certain that all passages are free of dirt
and burrs.
3. Inspect mating surfaces for damage that could affect gasket sealing.
4. Inspect throttle body for cracks in casting.
5. Inspect throttle plates, linkage, return springs, etc., for damage, wear and foreign
material.
6. Check for loose parts and foreign material.
INSTALLATION
1. Place the throttle body gasket (s) between the throttle body and the plenum.
2. Place the throttle body on the plenum. Install the screw and nuts and torque to 75 lb-in.
(8.5 Nm).
Page 5E-26
a
a - Throttle Body
b - Gaskets
c - Plate
a
a - Throttle Body
b - Screw
c - Nuts
SUPPLEMENT TO SERVICE MANUAL NUMBER 24
b
c
c
b
c
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90-861327000 JULY 2000
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