Iac - Briggs & Stratton VANGUARD M490000 Repair Manual

• Connect MAP/MAT sensor connector. Push in
red secondary lock to secure.
• Connect fuel injector connector. Push in green
secondary lock to secure.
• Install new cable strap through ignition coil
wire harness socket connector, install over
inside ignition coil mounting boss, and connect
connector.
• Install Phillips screw to fasten ground wire ring
terminal to cylinder boss. Tighten screw to
22-35 lb-in (3-4 Nm).
• Connect ECM J2 connector.
5. See C of Figure 29. Proceed as follows:
• Connect TPS connector.
• Connect fuel pump module connector. Push in
grey secondary lock to secure.
• Orient EHT sensor with end rotated against tab
on cylinder 1. Install TORX screw and tighten to
35-52 lb-in (4-6 Nm). See Figure 28.
29

IAC

Removal
1. Remove access cover. See Access Cover/Blower
Housing, Removal, steps 1-3.
2. See Air Cleaner Assembly, Removal.
3. Disconnect IAC connector.
4. Remove two Phillips screws to release IAC from
throttle body.
• Connect starter solenoid ring and spade
terminals.
• Connect 2- and 6-place (or single 8-place) engine
to chassis connectors.
6. Install two Phillips screws (with captive washers) to
fasten air block mounting plate to cylinder. Alternately
tighten screws to 22-35 lb-in (3-4 Nm).
7. Install new cable strap around intake manifold
between air block mounting plate and inside cylinder
2 ignition coil mounting boss capturing convoluted
tubing of ignition coil and fuel injector.
8. Install new cable strap around intake manifold
between air block mounting plate and inside cylinder
1 ignition coil mounting boss capturing fuel injector,
ignition coil and CKP sensor conduit.
9. See Air Cleaner Assembly, Installation.
10. See Access Cover/Blower Housing, Installation.
Installation
1. Install two Phillips screws to fasten IAC to throttle
body. Alternately tighten screws to 22-35 lb-in (2-4
Nm).
2. Connect IAC connector.
3. See Air Cleaner Assembly, Installation.
4. Install access cover. See Access Cover/Blower
Housing, Installation, steps 7-10.
5
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