Iac Valve Removal/Installation; Ho2S Removal/Installation; Vtec Solenoid Valve Removal/ Installation (Bf90D/Bf100A Only) - TOHATSU BFT75A Service Manual

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FUEL SYSTEM

IAC VALVE REMOVAL/INSTALLATION

Remove engine cover.
Loosen the three bolts, two nuts, two bolt/washers, and
air flow band of the intake manifold (page 5-69).
Disconnect the IAC valve 2P connector [1] from the IAC
valve [2].
Remove the two bolts [3] and remove the IAC valve by
slightly shifting the intake manifold.
Install a new IAC valve gasket on the intake manifold.
Install the IAC valve and tighten the two bolts to the
specified torque.
TORQUE:
Connect the IAC valve 2P connector.
Tighten the three bolts, two nuts, two bolt/washers, and
air flow band of the intake manifold (page 5-71).
Install the engine cover.

HO2S REMOVAL/INSTALLATION

Remove engine cover.
Release the harness band clip [1] from harness clip
bracket C and release the HO2S 4P connector [2].
Disconnect the HO2S 4P connector.
Remove the HO2S [3] from the water jacket cover,
using a commercially available HO2S wrench (S6176)
[4].
Tighten the HO2S to the specified torque using the
HO2S wrench.
TORQUE:
Connect the HO2S 4P connector and set the harness
band clip to harness clip bracket C.
Set the HO2S 4P connector to harness clip bracket C.
Install the engine cover.
VTEC SOLENOID VALVE REMOVAL/
INSTALLATION (BF90D/BF100A ONLY)
Remove the following:
– Engine cover
– L. engine under cover (page 6-5)
Open the harness clip [1], and release the harness
band clip [2] from harness clip bracket D.
Release the VTEC solenoid valve 1P connector [3] from
harness clip bracket D, and disconnect the VTEC
solenoid valve 1P connector.
5-82
22 N·m (2.2 kgf·m, 16 lbf·ft)
42 N·m (4.3 kgf·m, 31 lbf·ft)
[1]
[3]
[2]
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[1]
[3]
[1]
[3]
[2]
[4]
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