5
114
9
Installation
1. Push ignition coil connectors and conduit through
openings to outboard side of blower housing.
2. Hand start six blower housing alignment screws, if not
installed.
3. Place blower housing (
E
) into position on engine
aligning slots with six alignment screws.
4. Verify high tension leads are routed through slots on
each side or damage will occur when blower housing
is tightened.
5. Apply downward pressure to front of blower housing
and hand tighten front two alignment screws.
6. Apply downward pressure to rear of blower housing
and hand tighten the remaining four alignment
screws.
NOTE:
To be sure that blower housing is properly
aligned, verify that washer head of each screw
7. Alternately tighten six alignment screws to
75-95 lb-in
(9-11 Nm) using a crosswise pattern.
8. Install two hex flange screws to fasten blower housing
to upper air cleaner bracket. Alternately tighten
screws to
75-95 lb-in
(9-11 Nm).
9. Install high tension leads onto spark plug terminals.
10. Connect ignition coil connectors.
11. Install four hex flange screws to fasten oil cooler
bracket to blower housing. Alternately tighten screws
to
25-35 lb-in
(3-4 Nm) using a crosswise pattern.
12. Install two hex flange screws to fasten mechanical
diaphragm fuel pump bracket to blower housing.
Alternately tighten screws to
12-16 lb-in
(1-2 Nm).
13. Install two hex flange screws to fasten ECM bracket
and ECM ground wire ring terminal to blower housing.
Alternately tighten screws to
25-35 lb-in
(3-4 Nm).
14. Install four hex flange screws to fasten fan guard
(
D
) to blower housing. Alternately tighten screws to
40-48 lb-in
(5 Nm) using a crosswise pattern.
15. Install four hex flange screws to fasten decorative
cover (
C
) to upper air cleaner bracket. Alternately
tighten screws to
50-70 lb-in
(6-8 Nm) using a
crosswise pattern.
16. See Figure 8. Install six hex flange screws to fasten
static guard (
B
) to blower housing. Alternately tighten
screws to
25-35 lb-in
(3-4 Nm) using a crosswise
pattern.
17. Install air cleaner (
A
) as follows:
A. Place air cleaner on upper air cleaner bracket.
B. Install two screws to fasten retaining strap to
upper air cleaner bracket. Alternately tighten
screws to
75-95 lb-in
(9-11 Nm).
C. Position band clamp on free end of air hose.
D. Install air hose onto air inlet elbow and tighten
band clamp screw to
10-20 lb-in
(1-2 Nm).
ECM
Removal
1. Remove two hex flange screws to release ECM
bracket from blower housing.
2. Disconnect J1 and J2 connectors from ECM.
Installation
1. Connect J1 and J2 connectors to
new
ECM.
NOTE:
The words BLACK and GREY are molded into
the ECM housing to ensure proper installation of J1
(Grey) and J2 (Black) connectors.
2. Slide hex flange screw through inside ECM bracket
flange and ground wire ring terminal. Start screw into
inside boss on blower housing.
3. Install second Phillips screw on opposite side, and
alternately tighten screws to
25-35 lb-in
(3-4 Nm).
Not for
Reproduction
Summary of Contents for VANGUARD M490000
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