TSB 11-204-23: PCV hose design change to address customer complaints of hot gas/oil/rubber smell from engine area

APPLICABILITY: 2020-22MY Legacy & Outback 2.4L Turbo 2019-22MY Ascent
SUBJECT: PCV hose design change / smell from engine area

The hose and clamps for the PCV assembly have been changed to address the owner’s complaints about the oil/gas smell.

For vehicles within the Basic New Car Limited California Performance and Emissions Warranty 5 years/50,000 miles, or the Federal Emissions Performance Warranty 2 years/24,000, this repair is covered under warranty.

Warranty – Short version:

• California cars: 5 years/50k miles
• All others: 3 years/36k miles.

TSB:
NOTE: The picture of the engine in the TSB is looking REAR SIDE/CVT engine, UNDER and BACK intercooler..

For do-it-yourselfers, you’ll need:
Hose Assembly-PCV 11815AC88D
New clamps are included with the new PCV hose assembly.

You will also need these for the intercooler.
GARDEN-INTER COOLER 21896AA130
AIR INTAKE GARDEN-HORSE 14497AA080

EDIT:
For those doing the PCV valve change, since you’re already there, you need this part number:

• 11810AA210 – PCV valve and both o-rings