Flex-a-Lite 678 Installation Instructions Download Page 2

Detail 3

INSTALLATION OF NEW ELECTRIC FAN SHROUD:

1. Mount bracket #67802 to driver’s side of shroud. Use the hex bolts and washers provided.

Note:

Leave the bracket loosely mounted for now; you will adjust and tighten them later

(see Detail 4 &

4a)

.

2. Lower shroud, with one bracket only, into position inserting bottom of bracket into slot at bottom

of side tank (driver’s side). Loosely secure top of bracket using factory bolt, saved from step #6
of page 1

3. Attach overflow tank to bracket #67801 using supplied hardware included with overflow tank

(see

Detail 4 & 4b)

.

4. Attach bracket #67801 to passenger’s side radiator tank and fan shroud;

a. Insert bottom of bracket into slot at bottom of side tank.
b. Loosely secure top of bracket using factory bolt, saved from step #6.
c. Mount bracket loosely to shroud using the hex bolts and washers provided

(see Detail 4

& 4b)

.

5. After both brackets and shroud are attached; make final adjustments utilizing slots provided.

When tightening the brackets, adjust the fan so that the rubber seal is contacting the radiator
core and compress the seal about ~50%.

Note:

It may help to have a friend hold the fan against

the core while tightening brackets.

6. Mount rubber hose supplied to radiator filler neck and to the shorter of the two tubes protruding

from bottom of overflow tank

(see Detail 4)

.

7. If you disconnected any hoses or drained coolant to install

the fan, reconnect the hoses and refill the radiator. At this
time fill overflow tank ~25% of capacity.

Detail 4a

Detail 4b

Finished Installation

Detail 5

rev. 04-20-09 part no. 99678 Page 2 of 4

Summary of Contents for 678

Page 1: ...bridging shroud to top cross member 9 ea Push type plastic rivets need to be removed see Detail 1 Prying each center post up with a flat end screwdriver will release fastener 5 Remove overflow hose from radiator filler neck 6 Remove top bolts 2ea holding fan shroud to radiator side tanks Save bolts for instal lation of new shroud see Detail 2 7 Remove 4ea nuts securing fan clutch assembly see Deta...

Page 2: ...de tank b Loosely secure top of bracket using factory bolt saved from step 6 c Mount bracket loosely to shroud using the hex bolts and washers provided see Detail 4 4b 5 After both brackets and shroud are attached make final adjustments utilizing slots provided When tightening the brackets adjust the fan so that the rubber seal is contacting the radiator core and compress the seal about 50 Note It...

Page 3: ...ngine is shut off Use the blue female connector and fuse taps included if necessary 5 Mandatory With air conditioning connect the C terminal on the control module to the positive wire that triggers the A C compressor using the small diameter green 14 AWG wire Using a voltmeter determine which wire coming from the compressor is the positive trigger wire Use the 3 way connector included to tap into ...

Page 4: ...itch and relay if desired 1 Connect the colored wire from the fan motor to a 12 volt positive source Be sure to connect an inline fuse holder with a 30 amp fuse to the positive power wire to pro tect the fan motor and your vehicle s electrical system from damage 2 Connect the black motor wire to a ground source NOTE failure to do this will result in incorrect operation and damage to the fan motor ...

Reviews: