Flex-a-Lite 183 Installation Instruction

Dodge Ram ‘03-’08

Electric Fan Kit #183

Fits: 3.7 L. V6, 4.7 L. V8, & 5.7 L. V8 HEMI

INSTALLATION INSTRUCTIONS

REMOVAL OF EXISTING FAN AND SHROUD:

1. Make sure the engine is cool.

2. Disconnect negitive (-) battery cable from battery.

3. Disconnect electrical connector attached to windshield washer

motor on overflow tank.

4. Disconnect electrical connector directly attached to base of

overflow tank.

5. Disconnect windshield washer fluid tubing from motor on overflow

tank.

Note:

draining.

6. Disconnect coolant overflow hose from radiator filler neck.

7. Remove bolts 2ea. securing top of overflow tank to shroud.

8. Lift and separate radiator overflow tank from shroud and set aside.

This will be installed with the new fan kit later.
over and spill.

9. Remove bolts 2ea. holding the fan shroud to mounting bosses raised up from each of the two side tanks.
Save 1ea. bolt for installation of overflow support bracket #18303 later.
shroud just yet. The fan / clutch assembly is in the way.

(see Detail A)

Be prepared to cap nipple of motor to prevent fluid from

(see Detail A)

10. While holding clutch pulley, use a 36mm wrench & turn in direction of engine rotation (counter-clock-

wise) to loosen fan / clutch mounting-nut. Be careful not to drop fan / clutch assembly as it unscrews from
pulley.

Slowly

11.

Note:

Be careful not to scrape against the radiator core.

pull fan / clutch assembly

(see Detail A)

Note:

Be careful when setting aside tank as to not let it topple

and

shroud up and out simultaneously.

(Detail A)

Note:

Do not attempt to remove the

INSTALLATION OF NEW ELECTRIC FAN SHROUD:

12. An orange “Warning” sticker identifies top of shroud. Mount bracket

#18301 to top side of shroud and bracket #18302 to bottom side of shroud. Leave
brackets loose for adjustment later. Use the hex bolts and washers provided.

(see Detail B)

13. On the radiator core bottom flange, (viewed from under the vehicle) there

are two through bolts, securing accessories to the front of the radiator. Locate
and remove the nuts (engine side of radiator) exposing bolt threads.

14.

Lower Flex-a-lite electric fan / bracket assembly into engine compartment

and loosely mount top bracket #18301 to the radiator core’s top flange through
holes. Use 2ea. t-bolts, washers, & Nylock nuts provided.

15. Align bracket #18302 (from under side of radiator) to previously exposed
bolt threads and loosely fasten using previously removed nuts along with washers
provided.
driver’s side of radiator, this is intentional. The offset shroud placement allows for
better air flow when the overflow tank has been reinstalled.

seal is contacting the radiator core and compress the seal about 50%. It
may help to have a friend hold the fan against the core while tightening
brackets.

passenger side. Slot is at bottom of radiator molded onto side tank.

(see Detail E) Examine the old shroud’s bottom mounting tabs for

reference.

slot of bracket with side tank top mounting boss, and insert previously
removed factory bolt to secure top of bracket.

Note:

You will notice that the new shroud is positioned towards the

16. Before tightening the brackets, adjust the fan so that the rubber

17. Place the lower tab of bracket #18303 into the side tank slot on

While holding bottom of bracket #18303 in position, align top

(see step #9)

(see Detail C)

(see Detail D)

(Detail B)

INSTALLATION INSTRUCTIONS CONTINUED

(Detail C)

Rev. 04-06-10 Page 1 of 4 #99183

(Detail D)

(Detail E)

(Detail F)

(Detail G)

18a. At this time you will want to reinstall the radiator overflow tank. Carefully lower the tank onto bracket

#18303; align the two plastic fingers protruding from bottom of tank with location slots on bottom shelf of
bracket.

bracket #18301. Secure overflow tank to bracket utilizing t-bolts, washers, & Nylock nuts provided.

(see Detail G)

(see Detail F)

18b. Attaching the top of the overflow tank involves alignment of the tanks original mounting points 2ea. to

19. Reconnect coolant overflow hose to radiator filler neck.

20. Reconnect windshield washer fluid tubing to motor on overflow tank.

21. Reconnect electrical connector directly attached to base of overflow tank.

22. Reconnect electrical connector attached to windshield washer motor on overflow tank.

#183 Assembly complete

WIRING INSTRUCTIONS CONTINUED

Rev. 04-06-10 Page 2 of 4 #99183