Mazda 6 Service Manual: Exhaust system
EXHAUST SYSTEM INSPECTION
Start the engine and inspect each exhaust system component for exhaust gas leakage.
- If leakage is found, repair or replace as necessary.
EXHAUST SYSTEM REMOVAL/INSTALLATION
Warning
- When the engine and exhaust system are hot, they can badly burn. Turn off the engine and wait until they are cool before removing the exhaust system.
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
HO2S Removal Note
Remove the HO2S using the SST
before removing the exhaust manifold.
Exhaust Manifold Installation Note
Tighten the exhaust manifold installation nuts in the order shown.
Fuel injector inspection
Operation Test
Carry out the Fuel Injector Operation Inspection. (See Fuel Injector
Operation Inspection.)
If not as specified, perform the further inspection for the fuel
injectors.
Resi ...
Emission system
...
Other materials:
Mazda 6 Service Manual: Heater core inspection
1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.)
2. Remove the heater core from the A/C unit.
3. Inspect for cracks, damage, and coolant leakage.
If any problems are found, replace the heater core.
4. Inspect for bent fins.
If any are bent, use a flathead screwdriver to stra ...
Mazda 6 Service Manual: Front map light removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
Front Map Light Removal Note
1. Insert a tape-wrapped flathead screwdriver into the gap between the
headliner and the front map light.
2. Push the hooks to ...