Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Exhaust(h4do) / Front exhaust pipe / Inspection

1. Check the connections and welded parts for exhaust leaks.

2. Make sure there are no holes or rusting.

Installation

1. Install the front exhaust pipe and center exhaust pipe as a unit to the vehicle.NOTE:Use a new gasket.2. Temporarily tighten the nuts which hold front exhaust pipe to cylinder heads.3. Install the ...

Disassembly

1. Remove the front oxygen (A/F) sensor and rear oxygen sensor from front exhaust pipe. Front Oxygen (A/F) Sensor > REMOVAL Rear Oxygen Sensor > REMOVAL2. Remove the center exhaust pipe from the fro ...

Other materials:

Inspection
1. CYLINDER BLOCK1. Visually check for cracks or damage. Use liquid penetrant tester on the important sections for checking. Check that there are no marks of gas leaking or water leaking on gasket installing surface.2. Check the oil passages for clogging.3. Inspect the cylinder block surface that ma ...