Dodge D150 1990 Service Manual page 739

DISTANCE
SENSOR
ELECTRICAL
CONNECTOR
HEATED OXYGEN SENSOR
ELECTRICAL CONNECTOR $
The o r i g i n a l 0
2
sensor threads were coated w i t h a n
anti-seize compound. The compound m u s t be removed
f r o m t h e threads i n t h e exhaust m a n i f o l d p r i o r t o
sensor i n s t a l l a t i o n .
(3) Clean t h e threads i n t h e exhaust manifold w i t h
a n 18 m m X 1.5 + 6E t a p .
(4) I f t h e o r i g i n a l sensor i s t o be reinstalled, t h e
sensor threads m u s t be coated w i t h a n anti-seize
compound (Loctite 771-64 o r equivalent). N e w 0
2
sensors are packaged w i t h compound o n t h e threads
and no a d d i t i o n a l compound is required.
(5) T i g h t e n sensor t o 27 N n n (20 ft. lbs.) torque.
F o r m o r e i n f o r m a t i o n r e f e r t o G r o u p 25.
RR14G150
Fig. 22 Heated Oxygen Sensor Electrical
Connector—3.9L Engine
SENSOR SPECIFICATIONS
C o m p o n e n t
N u m b e r of
Terminals
Resistance a t ° F
T h r e a d C o m p o u n d T h r e a d S i z e
Torque
Coolant Temperature
Sensor
2
7,000 to 13,000 Ohms
About 21 ° C , 7 0 ° F
700 to 1,000 Ohms
About 9 3 ° C , 2 0 0 ° F
Preapplied
(Nonrequired)
3/8-18 NPTF
27 N m
(20 ft.-lbs.)
Throttle Body
Temperature Sensor
(5.2Land5.9L
Engines)
2
5,600 to 14,600 Ohms
About 21 ° C , 7 0 ° F
400 to 1,500 Ohms
About 9 3 ° C , 2 0 0 ° F
Silicone Heat
Transfer Compound
M12 x 1.5
(Metric)
11 N m
(100 in.-lbs.)
SPECIAL TOOLS
J9014-180
C-3292
C-4907
C-4799
DIAGNOSTIC TOOL
RR14G112