Mazda 3 Service Manual: Exhaust & Emissions
Valve Clearance Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the wiring harness.
5. Remove the ignition coils..
6. Remove the spark ...
Exhaust System Inspection [Mzr 2.0, Mzr 2.5]
1. Start the engine and inspect each exhaust system component for exhaust gas
leakage.
If there is leakage, repair or replace the appropriate component..
...
Other materials:
Liftgate Adjustment
1. Measure the gap and height difference between the liftgate and the body.
2. Loosen the liftgate hinge installation bolts and adjust the gap by moving
the liftgate.
Standard clearance
a: 5.0―7.0 mm {0.20―0.27 in}
b: -2.0―0 mm {-0.078―0 in}
...
Front Oil Seal Replacement [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the wiring harness.
5. Remove the ignition coils..
6. Remove the spark plugs..
7. Remove the ventilation hose.
8. Remove the oil level gauge.
9. Remove the cylinder ...
Shift-Lock Override
If the selector lever will not move from P
using the proper shift procedure, continue
to hold down the brake pedal.
Remove the shift-lock override cover
using a cloth-wrapped flat head
screwdriver.
Insert a screwdriver and push it down.
Press and hold the lock-release button.
...
