Dodge RAM TRUCK 1500 1995 Service Manual page 1042

BR — — —
— EXHAUST SYSTEM AND INTAKE MANIFOLD 11 - 1 1
UPPER INTAKE
MANIFOLD
THROTTLE
BODY (MPI)
LOWER
INTAKE
MANIFOLD
INTAKE MANIFOLD
GASKET
SEALANT
Fig. 9 Upper intake Manifold and Throttle Body
J9511-1
Fig. 10 Lower Intake Manifold
CLEANING
Clean manifolds in solvent and blow dry with com­
pressed air.
Clean cylinder block front and rear gasket surfaces
using a suitable solvent.
INSPECTION
Inspect manifolds for cracks.
Inspect mating surfaces of the manifolds for flat­
ness with a straightedge.
INSTALLATION
(1) Install the intake manifold side gaskets. Be
sure that the locator dowels are positioned in the
head (Fig. 12).
(2) Peel off the protective paper (blue - rear and
brown - front) and press firmly onto the block (Fig.
11). BE SURE THE BLOCK IS OIL FREE.. Align­
ing slots in end seals with notches in intake manifold
gaskets.
(3) Insert Mopar® Silicone Rubber Adhesive Seal­
ant, or equivalent, into the four corner pockets (Fig.
11). Fill the pocket, but DO NOT overfill.
J9409-65
f er intah
LOCATOR DOWELS-
LOCATOR DOWELS'
J9409-64
Fig. 12 intake Manifold Flange Gasket Alignment
(4) The lower intake manifold MUST be installed
within 3 minutes of sealant application. Carefully
lower intake manifold into position on the cylinder
block and heads. After intake manifold is in place, in­
spect to make sure seals and gaskets are in place.
Finger start all the lower intake bolts.
(5) Tighten the lower intake manifold bolts in se­
quence to 54 N-m (40 ft. lbs.) torque (Fig. 10).
(6) Using a new gasket, position the upper intake
manifold onto the lower intake manifold.
(7) Finger start all bolts, alternate one side to the
other.
(8) Tighten upper intake manifold bolts in se­
quence to 22 N-m (16 ft. lbs.) torque (Fig. 9).
(9) Using a new gasket, install the throttle body
onto the upper intake manifold. Tighten the bolts to
23 N-m (200 in. lbs.) torque.
(10) Install closed crankcase ventilation and evap­
oration control systems.
(11) Connect the heater hoses and bypass hose.
(12) Connect the vacuum lines.