380SL (107.045) V8-3.8L (116.960) (1982)
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4.
Remove core plug (arrow, Figure 1) on right side of engine block using a 19 mm (3/4") Allenhead driver.
FIGURE 2
5.
Install block heater into engine block (c, Figure 2) using a new aluminum seal ring supplied in kit. Torque to 70 N-m (52 lb. ft.) using a 46
mm (113/16") wrench or socket.
6.
Reinstall engine block drain plug using a new seal ring. Close radiator drain.
7.
Attach power cable to block heater, and route along suitable supports on the right side so that it ends in front of the radiator. Tie cable with
plastic straps to the supports as required. Guide cable through insulated clamp attached to lower starter motor bracket bolt (a, Figure 2) and to
suitable supports using plastic straps (b, Figure 2) as required.
CAUTION! Be sure power cable is away from exhaust manifold, otherwise cable may be damaged.
8.
Reconnect air filter housing bracket and install filter housing.
9.
After checking coolant for sufficient antifreeze protection, refill cooling system and pressure test for leaks.
10.
Reconnect battery ground cable.
11.
Run engine with defroster on and check for coolant leaks. Check for proper heater operation and coolant level.
Parts Information
Part Name
Part Number
Block heater kit
901 203 00 95
Time Allowance
Applicable to
20-0950 35
Block heater, subsequent installation
2.0 hours
300 D-T
20-0950 36
Block heater, subsequent installation
2.0 hours
300 CD-T
20-0950 37
Block beater, subsequent installation
2.0 hours
300 TD-T
20-0950 56 Block heater, subsequent installation
2.0 hours
300 SD
Models 123.123 (240D) Engine Type 616.912
Subject
SUBSEQUENT INSTALLATION OF
No.
154
ENGINE BLOCK HEATER MODELS 123.123 (240D) ENGINE TYPE 616.912
Date
November, 1984
File Ref.
20
Group
1.
Disconnect battery ground cable.
2.
Remove air filter housing.
3.
Drain coolant from radiator and engine block into container for reuse.
4.
Partially remove starter motor and turn to gain access to core plug.
