EXHAUST SYSTEM INSPECTION
Start the engine and inspect each exhaust system component for exhaust gas leakage.
EXHAUST SYSTEM REMOVAL/INSTALLATION
Warning
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
Emission systemMazda 6 Service Manual: Recommended Oil
U.S.A. and CANADA
Use SAE 0W-20 engine oil.
Mazda Genuine Oil is used in your Mazda vehicle. Mazda Genuine 0W-20 Oil is required
to achieve optimum fuel economy.
For maintenance service, Mazda recommends Mazda Genuine Parts and Castrol® (U.S.A.
only).
Only use SAE 0W-20 oil “Certified F ...
Mazda 6 Service Manual: Windshield installation
Caution
To prevent the sealant from cracking or the glass from being
pushed out by air pressure if a door is closed, open all of the windows and
leave them open until the sealant has hardened.
1. Cut away the old sealant using a razor so that 1-2 mm {0.04-0.07 in}
thickness of sealant ...