Engine sub assembly inspection/replacement (WTY035)

Bulletin number

WTY035_TSB (WTY035)

Component

Engine

Summary

TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY035) - This bulletin provides information associated with the ‘Warranty Extension Program’ (WTY035) to diagnose a coolant leak from the cylinder head gasket area and, if necessary, replace the engine sub-assembly on 2016-2017MY Sorento (UMa) vehicles equipped with 3.3L GDI Lambda II produced from October 27, 2014 through April 13, 2017. Under certain severe operating conditions and over time, the engine in the subject vehicles may develop a coolant leak from the cylinder head gasket area. If the vehicle continues to be driven in the unrepaired condition, the engine may overheat and become further damaged. The customer may experience a coolant leak, coolant smell, and/or engine temperature indicator near the “H” mark on the instrument cluster. The warranty coverage for repairs related to the cylinder head gasket will be extended from 5 years / 60,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service.

Owners of these vehicles have filed 1,128 complaints in the engine category.