Chrysler RAM TRUCK 2500 1994 Service Manual page 905

11 • 16 EXHAUST SYSTEM AND INTAKE MANIFOLD ^ ^ — ^— ^ ^ •
F/g. 9 Engine Exhaust Manifold Bolt Tightening
Sequence
N-m (18 ft. lbs.) torque. Tighten the oil supply line
fitting nut to 15 N-m (11 ft. lbs.) torque.
(6) Connect the cab heater supply and return lines.
Tighten the line nuts to 24 N-m (18 ft. lbs.) torque.
(7) Operate the engine to check for leaks.
INTAKE MANIFOLD COVER / AIR INTAKE HEATER
REMOVAL
(1) Remove the charge air cooler (intercooler) out­
let duct from the air inlet tube (Fig. 10).
(2) Remove the high pressure fuel lines.
(3) Disconnect and remove the air intake heater
ground wire (Fig. 10).
(4) Disconnect the air intake heater power supply
lines (Fig. 11). Remove the air intake heater and gas­
kets (Fig. 11). Clean the mounting surface of the in­
take manifold cover.
(5) Disconnect the charge air temperature sensor
from the intake manifold cover (Fig. 12).
(6) Disconnect the air temperature switch from the
intake manifold cover (Fig. 12).
Fig. 10 Air inlet Tube and Heater Ground Wire
7 5 ^ "J9HM1
Fig. 11 Air Intake Heater
(7) Disconnect the fuel heater ground wire from in­
take manifold cover (Fig. 13).
(8) Remove the manifold intake cover and gasket
(Fig. 13). Keep the gasket material and any other
material out of the air intake.
(9) Clean the sealing surface.
INSTALLATION
(1) Using a new gasket, install the intake manifold
cover.
(2) Install the fuel heater ground wire. Tighten the
bolt to 12 N-m (110 in. lbs.) torque.
(3) Connect the air temperature switch to the in­
take manifold cover.
(4) Connect the charge air temperature sensor to
the intake manifold cover.