NUMBER: 08-008-04
GROUP: Electrical
DATE: March 02, 2004
SUBJECT:
New Spark Plug For 2.4L Engine
MODELS:
| **2003 – 2004 | (JR) | Sebring Convertible/Sebring Sedan/Stratus Sedan** |
| 2002 – 2004 | (KJ) | Liberty / Cherokee |
| **2003 – 2004 | (PT) | PT Cruiser** |
| **2003 – 2004 | (RG) | Chrysler Voyager** |
| **2003 – 2004 | (RS) | Town & Country / Caravan / Voyager** |
| 2003 – 2004 | (TJ) | Wrangler |
NOTE: This bulletin applies to vehicles equipped with a naturally aspirated (non–turbo) 2.4L engine (either sale code ED1 or EDZ).
DISCUSSION:
| Model Year | Vehicle | New Spark Plug | New Plug Gap | Old Spark Plug |
| 2002 – 2004 | KJ | 05149002AA
(RE16MC 05149003AA (LZTR4A-11 |
1.016 mm or (.040″ in.) |
RE14MCC5  |
| 2003 – 2004 | **JR / PT /
RG / RS **/ TJ |
05149002AA
(RE16MC 05149003AA (LZTR4A-11 |
1.016 mm or
(.040″ in.) |
RE14MCC5 |
A new style spark plug has been released as a running change for use in the 2004 model year 2.4L engine. The new spark plug is more resistant to possible cold engine carbon fouling. 08-008-04 -2-
The new style spark plug is now recommended and preferred for use in all 2004 model year vehicles and all prior model year vehicles that are equipped with a 2.4L engine. See above table and verify correct engine sales code.
NOTE: To eliminate concerns of a possible high secondary ignition voltage flashover, caused by a thermal set of the ignition cable spark plug boot(s) to the old style spark plug (RE14MCC5), install new ignition cables when replacing the old style spark plugs (RE14MCC5) with the new style spark plug(s) (RE16MC or LZTR4A-11) for the first time.
POLICY:
Information Only.
THIS BULLETIN SUPERSEDES SERVICE BULLETIN 08-034-03 DATED NOVEMBER 28, 2003, WHICH SHOULD BE REMOVED FROM YOUR FILES. THIS BULLETIN INCLUDES ADDITIONAL MODELS.
