Chevrolet TSB #G-191479
2014 Chevrolet Spark
Affected Component: ENGINE (PWS)
- Summary
- 14076 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO PERFORM A TEST PROCEDURE ON CERTAIN VEHICLES, EQUIPPED WITH A 1.2L ENGINE (LL0). IF THE VEHICLE DOES NOT PASS THE TEST PROCEDURE, DEALERS ARE TO REPLACE THE FOUR PISTON ASSEMBLIES. SOME CUSTOMERS HAVE COMMENTED ABOUT ENGINE KNOCK/TICK/RATTLE, SLUGGISH PERFORMANCE, AND POOR SHIFTS; HOWEVER, THE VEHICLE REMAINS OPERABLE