1. Verify that the joint shaft is not twisted or cracked.
2. Turn the joint shaft by hand and verify that the bearing rotates smoothly and freely.

Drive shaft
Joint shaft removal/installationMazda 6 Service Manual: Front oil seal
FRONT OIL SEAL REPLACEMENT
1. Disconnect the negative battery cable.
2. Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION.)
3. Remove the Cylinder head cover. (See Cylinder Head Cover Installation
Note.)
4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
5. Remove the front dr ...
Mazda 6 Service Manual: Schedule 2
Chart symbols:
I
: Inspect: Inspect and clean, repair, adjust, fill up, or replace if necessary.
R
: Replace
L
: Lubricate
C
: Clean
T
: Tighten
Remarks:
*1 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL ...