Volvo 850 User Manual - page 2
universal joint. On manual transmission vehicles, use a rag and remove
grease from inboard universal joint. Mount drive shaft in a vise, with
gap in circlip facing upward. Open circlip to free it from groove and
insert an 8 mm drift between circlip lugs. Tap inner race a few times
along shaft to hold circlip open. Using a brass drift, tap inner
universal joint off shaft.
5) On automatic transmission vehicles, mark position of drive
shaft relative to joint housing. Pry up tabs on housing and remove
spider from housing. On all vehicles, if support bearing requires
replacement, place unit in a press and press circlip and support
bearing off shaft.
Reassembly
1) Thoroughly clean all CV joint parts. On manual
transmission vehicles, clean inner universal joint in place as it
cannot be disassembled. On automatic transmission vehicles, spider can
be left on end of shaft. On all vehicles, if any part shows signs of
cracking or scoring, entire CV joint assembly must be replaced.
NOTE: Slight scoring or pitting in races is acceptable.
2) Press on new support bearing and circlip. Ensure support
bearing is installed against the stop. On manual transmission
vehicles, Install new circlip in inner universal joint. Pack joint
with grease. Ensure boot is okay. If boot is not okay, go to next
step.
3) For manual transmission vehicles, go to step 4). For
automatic transmission vehicles, mark spider in relation to drive
shaft mark. Remove circlip. Press spider off shaft. Remove boot from
shaft. Install new boot on shaft. Line up spider with mark made
previously, ensuring bevelled side of spider goes in first. Ensure
drive shaft is kept straight when applying pressure to spider with
press. Install new circlip. Lubricate needle bearings on spider using
thin lubricating oil. Pack bearing housing with grease.
4) For manual transmission vehicles, mount outboard drive
shaft in a vise, ensuring inner race is square inside joint. Tap shaft
into joint, ensuring circlip is properly seated in groove. Pack
remaining grease into joint, using care not to get any grease on part
of boot that makes contact with joint. Clean off all excess grease.
Slide boot over joint, ensuring it is correctly positioned on shaft.
Install new circlip on boot.
5) For all vehicles, install new circlip in inner race and
place race inside cage. Line up scored marks and put first ball in
position. Turn inner race and cage. Put balls back in their original
position, one at a time.
6) Thoroughly lubricate joint. Apply grease to back of joint
through opening for shaft in inner race. If joint has not been
dismantled, remove old circlip and replace. Mount shaft in vise and
slide new boot onto shaft. Install CV joint on shaft, ensuring inner
race is square inside joint. Use a plastic hammer and tap joint onto
shaft. Ensure circlip sits correctly in its groove.
7) Apply remaining grease to inner race and cage. Use care to
not get any grease on part of boot that comes in contact with joints.
Wipe off excess grease with mineral spirits. Slide boot over joints,
ensuring they are correctly positioned on shaft. Install new circlip
on boot.
Installation
1) For right drive shaft installation, install bearing cap
and tighten to 18 ft. lbs. (25 N.m). For left drive shaft
installation, ensure ABS sensor wheel on drive shaft is free of dirt.
Push drive shaft in so it engages with differential. Ensure drive
shaft circlip snaps into place. See Fig. 1. Use care not to damage