This bulletin applies to 2011 Subaru Forester models equipped with a 2.5L naturally aspirated engine. When diagnosing an engine for an unusual sound and it’s determined to be coming from the left side cylinder head area, the head, intake camshaft, intake valves and all rocker arm pivots may need to be replaced. The sound can be heard at idle and increases with rpm, similar to the sound of a sewing machine.
Some 2010-2011 Mazda Tribute vehicles equipped with a 2.5L engine may exhibit DTCs P0016 (crankshaft position – camshaft position correlation – Bank 1 Sensor A), P052A (cold start camshaft position timing over-advanced – Bank 1) and P052B (cold start camshaft position timing over-retarded – Bank 1). This may be accompanied by hard-start and/or rough idle concerns.
This bulletin applies to 2010 Mazda Tribute models. Some vehicles may exhibit an intermittent knocking or thumping noise from the left cylinder head. After the engine temperature reaches 210-220 degrees Fahrenheit, the noise is typically heard from the rear of the engine as the vehicle comes to a stop.
Some 2011-2012 Lincoln MKZ Hybrid vehicles may exhibit the Service Engine Soon lamp on, with DTC P0016 (crankshaft/camshaft position correlation).
This bulletin applies to 2009 Audi A4 vehicles. The engine may be difficult to start and a rattle noise may be heard in the engine compartment. DTC P001600 or P0341 may be stored in the engine control unit. This may be due to possible damage to a camshaft or camshaft bearing surfaces.
This bulletin applies to 2013-2014 Chevy Spark vehicles equipped with a 1.2L engine. If you encounter a no-start with low or no compression, along with engine noise and MIL on, record the compression readings, then remove the camshaft cover and inspect for a broken or dislodged camshaft actuator spring.
This bulletin applies to 2013-2014 Chevy Malibu models equipped with a 2.0L or 2.5L engine. The MIL may be on, with DTC P0011 and/or P0014 codes set in the ECM as history or current.
This bulletin applies to a handful of GM models including 2013-1014 Buick Encore, 2009-2011 Chevy Aveo, 2011-2014 Chevy Cruze, 2012-2014 Chevy Sonic and 2013-2014 Chevy Trax, all equipped with a four-cylinder engine.
This bulletin applies to 2009-2010 Chevy HHR models. In rare instances, a sharp, short rattle noise may be heard from the front of the engine at start-up. DTC P0011, P0014, P0016 or P0017 may also set during this condition.
Standard Motor Products Inc. (SMP) announces the addition of 500 new part numbers to its Standard and Intermotor lines. The release expands coverage through the 2015 model year covering more than 166 million additional vehicles in operation (VIO).