Intake Manifold Heater Controls - Check; Battery Voltage - Check; Install; Operating Temperature - Dodge D250 1990 Service Manual

Electrical System
D O D G E Turbo Diesel
Install
Install the new gasket and the intake manifold heater. Connect
the intake manifold power supply connections.
Torque V a l u e ; 14 N-m [10 ft-lbs]
Install the air crossover and gasket. Install the intake manifold
heater ground wire.
Install the throttle control bracket.
Attach the throttle rod to the throttle lever.
Engine Electrical System Replacement Procedures
Page 8-21
5/16 inch, 10mm
Tighten the four mounting capscrews (A).
Torque V a l u e : 24 N-m [18 ft-lbs]
Tighten the throttle bracket lower mounting capscrew (B).
Torque V a l u e : 24 N-m [18 ft-lbs]
Tighten the hose clamp (C).
Torque V a l u e : 5 N-m [44 in-lbs]
A
24
N»m ^
[18
ft. lbs.]
24
N«m
It18 ft. lbs.]
Intake Manifold Heater Controls - Check
Operating Temperature
T h e temperature in the intake manifold must be below 0 ° C
[ 3 2 ° F ] for early electronic control modules before serial
number 0080000A and 15°C [59°F] for later electronic control
modules, for preheat to occur.
Battery Voltage - C h e c k
Check the voltage across the posts of the battery. There must
be a minimum of 8.5 Volts for the intake manifold heater or the
electronic control module to operate.
8.5 Volts