Service Bulletin Updates*

(*These bulletins are supplied as technical information only and are not authorizations for repair.)

NUMBER: 25-001-08
GROUP: Emissions
DATE: Jan. 8, 2008

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
2002–2006 (DR) Ram 1500
2004–2006 (HB) Durango
2002–2006 (KJ) Liberty
2005–2006 (ND) Dakota
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 -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.

To view the entire Service Bulletin Updates download the following pdf.

Mopar Service Bulletin Updates - PDF