
The catalytic converter is installed in the exhaust system. It serves as a catalyst to reduce HC, CO and NOx in exhaust gases, thus providing cleaner exhaust.
To avoid damage to the catalytic converter:
. Keep your engine tuned-up. If you feel the engine running rough (misfiring, backfiring or incomplete combustion), have your vehicle checked and repaired by an authorized SUBARU dealer.
WARNING
The exhaust gas is very hot.
Engine exhaust gas (carbon monoxide)
Periodic inspectionsDisassembly
MECHANICAL(H4DO) > Cam CarrierDISASSEMBLY1. CAM CARRIER RH1. Loosen the bolts (front camshaft cap RH, intake center camshaft cap RH, intake rear camshaft cap RH, exhaust center camshaft cap RH, and exhaust rear camshaft cap RH) equally, a little at a time in numerical sequence as shown in the fig ...
Corrosion protection
Your Subaru Ascent has been carefully engineered and manufactured with advanced
corrosion-resistant materials and protective coatings. These features are designed
to preserve the vehicle’s structural integrity, maintain its refined appearance,
and ensure long-term reliability even under chal ...
Inspection
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Primary Speed SensorINSPECTION1. Set the ST between the TCM and bulkhead harness.ST 18460AA040CHECK BOARD2. Set the probe of oscilloscope to the check board connector.Connector & terminalNo. 14 (+) — No. 42 (−):(A)+ probe(B)− probe3 ...