FUEL INJECTION DISASSEMBLY AND REASSEMBLY
SERVICE MANUAL NUMBER 24
90-861327--1 OCTOBER 1999
Page 5E-35
Plenum
REMOVAL
1. Disconnect the throttle cable.
2. Disconnect the harness connector and the vacuum hose from the MAP sensor. The
sensor is located on the underside of the plenum on the starboard side.
3. Remove the screws retaining the intake plenum to the manifold. Remove the two nuts
from the underside of the plenum in the front. Remove the plenum and gasket.
75710
a
b
c
d
d
e
a -
Screws (6)
b -
Plenum
c -
Gasket
d -
Nuts
e -
MAP Sensor Location
CLEANING AND INSPECTION
IMPORTANT: Use care when removing gasket material from intake manifold and
plenum. Failure to do so could result in damage to the intake manifold and plenum.
1. Carefully remove all gasket material from intake manifold and plenum.
2. Clean plenum in solvent and dry with compressed air.
3. Inspect mating surfaces for damage that could affect gasket sealing.
4. Inspect plenum for cracks in casting.
INSTALLATION
1. If not previously accomplished, remove all old gasket material.
2. Position the new plenum gasket on the intake manifold. The word “FRONT” faces UP
on the gasket at front edge of the intake manifold.
3. Place the plenum over the gasket.
4. Install the the screws retaining the intake plenum to the manifold. Install the two nuts on
the underside of the plenum in front.
Index