Timing Belt Replacement on Jeep’s 2.4L PowerTech Engine
In its short life, the engine was available in the 2002-’06 Jeep Liberty (first generation), as well as the 2004-’06 Jeep Wrangler, but was discontinued when Jeep introduced the Compass and Patriot small crossovers.
Wrangling in Jeep Spark Timing Dilemmas
Every once in a while I get a Diagnostic Dilemma that takes me back to the basics of how modern engine management systems work. This month’s happened to be a 1992 Jeep Wrangler equipped with the 4.0L engine and manual transmission. Of course, a vehicle of this vintage and configuration has to be about as basic as modern technology can get, right? Well, there are always exceptions.
XPLORE Adventure Series Jeep Invites You to Play Dirty and Help Make a Difference
XPLORE Vehicles are designed for delivering adventures for you and your family. You can choose from four levels of equipment to fit your lifestyle and appetite for exploring, camping or sightseeing some of the most incredible places on the face of the Earth. Stage 1 XPLORE Adventure Series are available for all Jeep models. XPLORE Stages 2, 3 and 4 are available only for Wrangler 2 and 4 door models.
Mopar will Join Jeep Enthusiasts to Celebrate the 10th Anniversary of Jeepfest
Mopar is headed to Pearson Park in New Castle, PA, to take part in Jeepfest, a one-day event for all Jeep owners and enthusiasts. This year’s event takes place on Saturday, Aug. 21, 2010, and will consist of a wide variety of activities for the whole family, including a Jeep vehicle show, Jeep obstacle course, raffle prizes and activities for kids.
Tech Tip: 1987-93 Jeep 4.0L: Head Gasket Leaks/Seepage Found in Engines
Some vehicles equipped with a 4.0L engine, may experience engine oil leaks/seepage from the head gasket along the right-hand side (tappet rail) of the engine.
Tech Tip: Jeep ‘Chirp’ May Have
Previous drive belt replacement(s) may have temporarily eliminated the drive belt chirp-like sound, with the sound returning after low mileage accumulation on the replacement belt.
Tech Tip: Diagnosing Malfunctioning Jeep Instrument Cluster
The same two-wire CCD BUS that Chrysler has been using for years on its cars is now being used on Jeeps and trucks, giving today’s Jeep Wrangler a new level of sophistication. If the instrument cluster doesn’t work, first determine which gauges don’t operate or if the whole cluster is down. I like to start testing with the printed circuit board self test ….
Tech Tip: Wrangler Chirping Noise is for the Birds!
The customer may experience a chirp-like sound coming from the accessory drive belt. The sound may become more pronounced at higher engine speeds. Investigation may reveal accelerated accessory drive belt wear even though the belt is properly installed on all pulleys. The accessory drive belt chirp-like sound may be caused by the misalignment of the power steering pump pulley to the shaft of the power steering pump.
Jeep Tech Tip: Squeal-Like Sound Due to Incorrect Pre-Load on Clutch Throw-Out Bearing
The customer may experience a squeal-like sound coming from the clutch throw-out bearing when the clutch pedal is fully released. This bulletin involves diagnosing the clutch throw-out bearing for an incorrect pre-load condition and making the appropriate repairs.
Jeep Tech Tip: Dirt and Debris Accumulation at Rear Main Seal
The customer may experience engine seepage from the area of the rear main bearing seal. Closer inspection may reveal that the cause of the engine oil seepage past the rear main bearing seal is due to the accumulation of dirt and debris around the outside of the rear main seal. This condition may occur more frequently of the vehicle is used in off-road conditions.