Radiator Fan Bearings - Noisy
9219audi01
Number:
90-01
Group:
19
January 12, 1990
Engine
Applies To: 5000 Turbo/200 m.y. 1984-1989
5000S/100-with 3-speed m.y. 1985-1989
radiator fan
Subject: Radiator Fan Bearings, Noisy
Radiator fan bearings, replacing
Parts required
^ disconnect battery ground strap
^ remove radiator cooling fan assembly w/motor
^ remove fan blade assembly
^ left hand threads (turn nut clockwise to loosen)
^ save lock washer and nut (arrows)
^ clamp fan motor in vise
^ clamp only at retaining bracket A
CAUTION
Part numbers are for reference only. Always check with your Parts Department for latest information.
^ open front bearing cover retaining tabs (arrows) with small chisel or punch
^ carefully pry off bearing cover
^ drill out eight bearing cap plate retaining rivets (arrows)
^ remove bearing cap plate
^ remove front fan bearing
^ install replacement bearing, Part No. 443 903 221
^ reinstall bearing cap plate to bearing cover with pop-rivets
^ remove armature with commutator from motor housing
^ place on clean work area
^ DO NOT allow oil or grease to get onto armature
^ turn over motor housing
^ open rear bearing cover retaining tabs, as shown
^ remove terminal retaining nuts and insulators (arrows)
CAUTION
DO NOT damage commutator brush plate insulator when removing/installing rear bearing cover.
^ remove rear bearing cover
^ it may be necessary to pry off with small screwdriver
^ remove commutator brush plate A in direction of arrow
^ remove rear bearing
^ use locally available small bearing puller
^ penetrating oil may be required install new bearing (arrow) Part No. 443 903 221
CAUTION
DO NOT damage brushes when reinstalling armature/commutator to brush plate.
^ reinstall armature/commutator to brush plate and rear bearing cover
^ reinstall insulators and terminal retaining nuts
^ damaged tabs may be repaired by making a small cut in the remainder of the tab and opening it with a chisel (as shown)
^ reinstall rear bearing cover
^ damaged tabs may be repaired by making a small cut in the remainder of the tab and opening it with a chisel (as shown)
^ reinstall fan assembly to motor
^ secure fan blade nut with locking compound
^ reconnect battery ground strap
^ start engine, check fan for proper operation and cycling
Replace radiator Dia. Quality
fan motor bearings Check Repair Check
Labor Op. 1908211 30 tu 85 tu 5 tu
(Does not include
removing and
reinstalling fan motor,
relays or resistor)