14. On
horizontally-mounted
mixers, remove the 3
fasteners that secure the intake manifold elbow to the
intake manifold. Remove the elbow and insulator spacer
from the manifold. Discard old gasket.
Fuel Rail and Fuel Injectors - EFI
1. Pull out green secondary lock and press tab to
disconnect fuel injector connectors.
2. Remove the 2 fasteners to release fuel injector cap
flanges from intake manifold (
A
79
3. Remove the 2 fasteners to release fuel rail clamps from
intake manifold (
B
).
4. Remove retaining clips to release fuel injector caps (
C
)
from fuel injectors. Note orientation of the retaining clips
prior to removal.
5. Remove fuel injectors from intake manifold.
6. Squeeze 2 tabs on quick disconnect fitting (
D
) to release
fuel rail from fuel pump module.
NOTE:
Wrap shop towel around fitting to catch any fuel
leakage.
Fuel Rail and Fuel Injectors - EFI-ETC
1. Disconnect cylinder 1 and cylinder 2 fuel injector
connectors (
A - B
, Figure 80). Pull out white secondary
lock, and then press and hold tab before pulling apart
connector halves.
80
2. Remove 2 fasteners (
C - D
) to release fuel injector cap
flanges from intake manifold.
3. Remove retaining clips and then remove fuel injector
caps from fuel injectors.
4. Remove fuel injectors from intake manifold bores.
5. To remove fuel rail, proceed as follows:
A. Cylinder 2 (Oil Filter) Side:
• If equipped, remove fastener (
E
) to
release throttle lever bracket (
F
) from intake
manifold boss. Disconnect throttle lever module
connector to remove assembly.
• Remove fastener (
G
) to release fuse/relay block
bracket from fuel rail hose clamp.
• Rotate fuse/relay block bracket outward.
• Remove fastener (
H
) to release hose clamp
from intake manifold boss.
• Remove fuel rail hose from clamp.
B. Cylinder 1 (Starter Motor) Side:
• Remove hex flange screw (
I
) to release hose
clamp from intake manifold boss.
• Remove fuel rail hose from clamp.
• Squeeze two tabs on quick disconnect
fitting (
J
) to release fuel rail from fuel pump
module fitting.
NOTE:
Wrap shop towel around fitting to catch any fuel
leakage.
T-MAP Sensor - EFI
1. Pull out the red secondary lock and press to disconnect
the T-MAP sensor electrical connector.
2. Remove the fastener to release sensor flange from
intake manifold.
3. Remove the sensor from the intake manifold and set
aside.
71
Summary of Contents for BIG BLOCK M540000
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