[jeep5253]

This is a TSB concerning the PCV freezing on 3.7L 2006 Commanders. http://www.xkjeeps.com/tsb/tsb_xk_2500108.pdf

SUBJECT:​

Positive Crankcase Ventilation (PCV) System Freezes In Extreme Cold Ambient
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​

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.​

DIAGNOSIS:​

If a customer indicates that they are experiencing any cold engine crankcase venting or​

driveability symptoms, perform the Repair Procedure.

 

[Command This.]

no problems here it has been below zero the past 3 nights.