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This is a TSB concerning the PCV freezing on 3.7L 2006 Commanders. http://www.xkjeeps.com/tsb/tsb_xk_2500108.pdf
driveability symptoms, perform the Repair Procedure.
SUBJECT:
Positive Crankcase Ventilation (PCV) System Freezes In Extreme Cold Ambient
Temperatures
Temperatures
OVERVIEW:
This bulletin involves installing revised PCV system components.
MODELS:
2004 (AN) Dakota Truck
2002 -2006 (DR) Ram Truck
2004 - 2006 (HB) Durango
2002 - 2006 (KJ) Liberty
2005 - 2006 (ND) Dakota Truck
2005 - 2006 (WK) Grand Cherokee
2006 (XK) Commander
2002 -2006 (DR) Ram Truck
2004 - 2006 (HB) Durango
2002 - 2006 (KJ) Liberty
2005 - 2006 (ND) Dakota Truck
2005 - 2006 (WK) Grand Cherokee
2006 (XK) Commander
NOTE: This bulletin applies to vehicles equipped with 3.7L engines (sale code EKG).
SYMPTOM/CONDITION:
Some customers operating in extreme cold ambient temperatures (Below 0°F or Neg.
18°C) may experience moisture collecting in the PCV system and freezing. This can lead
to a variety of cold engine crankcase venting or driveability symptoms.
18°C) may experience moisture collecting in the PCV system and freezing. This can lead
to a variety of cold engine crankcase venting or driveability symptoms.
DIAGNOSIS:
If a customer indicates that they are experiencing any cold engine crankcase venting or
driveability symptoms, perform the Repair Procedure.