Intake Manifold Sealing; Intake Manifold Bolt Tightening Sequence - Dodge D150 1990 Service Manual

Rear wheel drive ram truck
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RP124
Fig. 6 Intake Manifold Side Gaskets (Left Side
Shown)
(11) Clean cylinder block front and rear gasket sur-
faces u s i n g a suitable solvent (Fig. 7).
(12) A p p l y a t h i n , u n i f o r m coating o f a q u i c k d r y
cement to t h e i n t a k e manifold front and r e a r gaskets
and cylinder block gasket surface. W h e n i n s t a l l i n g
gaskets, t h e center hole i n t h e gasket M U S T engage
dowels i n block. E n d holes i n seals M U S T be locked
i n t o tangs of head gasket (Fig. 7).
SIDE GASKET
1/4" DIAMETER OF
RUBBER SEALER
ONTO EACH OF
MANIFOLD TO
CYLINDER HEAD
GASKET CORNERS
CEMENT CYLINDER
BLOCK SURFACE AND
BOTH SIDES OF
INTAKE MANIFOLD
END GASKETS
CYLINDER
HEAD GASKET
RP125
Fig. 7 Intake Manifold Sealing
(13) Carefully i n s t a l l the front a n d rear i n t a k e
manifold gaskets.
(14) Place a drop (approximately 1/4 i n c h diameter)
of rubber sealer, or equivalent, onto each of t h e
F O U R m a n i f o l d to cylinder head gasket corners.
(15) Carefully lower intake manifold i n t o position
on the cylinder block and cylinder heads. A f t e r i n -
take m a n i f o l d is i n place, inspect to m a k e sure seals
are i n place.
(16)
I n s t a l l t h e twelve
a t t a c h i n g bolts
(Finger
T i g h t ) . T i g h t e n t h e bolts t o 34 N - m (25 ft. lbs.)
torque i n t h e t i g h t e n i n g sequence shown i n (Fig. 8).
T i g h t e n t h e same bolts t o 54 N - m (40 ft. lbs.) torque
i n sequence shown (Fig. 8).
RP126
Fig. 8 Intake Manifold Bolt Tightening Sequence
(17) I n s t a l l exhaust manifolds a n d t i g h t e n bolts t o
27 N-m (20 f t . lbs.) torque and t i g h t e n t h e n u t s to 20
N-m (15 f t . lbs.) torque.
(18) Adjust spark plugs to specifications (see Group
8D, I g n i t i o n System). I n s t a l l the plugs a n d t i g h t e n t o
4 1 N - m (30 f t . lbs.) torque.
(19) I n s t a l l coil wires, heat indicator sending u n i t
w i r e , heater hoses and bypass hose.
(20) I n s t a l l t h r o t t l e linkage a n d adjust, as neces-
sary.
(21) I n s t a l l distributor cap and wires.
(22) I n s t a l l fuel lines, a l t e r n a t o r a n d drive belt.
T i g h t e n alternator m o u n t i n g bolt t o 4 1 N - m (30 f t .
lbs.) torque a n d adjusting strap bolt t o 23 N - m (200
i n . lbs.) torque. See Group 7, Cooling System for ad-
j u s t i n g t h e belt tension.
(23) I n s t a l l collared studs i n cylinder head. T i g h t e n
to 13 N - m (115 i n . lbs.) torque. Inspect studs to be
certain t h a t collar has bottomed o n cylinder head. I f
not, remove stud and clean and t a p s t u d hole.
(24) Place new cylinder head cover gaskets i n posi-
t i o n a n d i n s t a l l cylinder head covers. T i g h t e n t o 9
N-m (80 i n . lbs.) torque.
(25) I n s t a l l closed crankcase v e n t i l a t i o n system a n d
evaporation control system.
(26) F i l l cooling system (see Group 7, Cooling Sys-
t e m for proper procedure).
(27) Connect t h e battery negative cable.

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