The information supersedes the previous technical bulletin, dated March 25, 2005. In 2008, Chrysler revised its 2.4L cylinder head bolt re-torque procedure.
2.4 l install#
Install the air cleaner housing, upper cover and clean air tube. Install the crankshaft vibration dampener.ġ3. Install the air conditioning/generator belt tensioner and pulley.ġ1. Install the timing belt front covers and bolts.ġ0. If the spring tang is not within the tolerance window, repeat steps 5 through 7.ĩ. If so, the installation process is complete and nothing further is required. Check to see if the spring tang is within the tolerance window. Verify that the crankshaft and the crankshaft timing marks are in proper position.Ĩ. Once the timing belt has been installed and the tensioner adjusted, rotate the crankshaft clockwise two complete revolutions manually for seating the belt, until the crankshaft is repositioned at the TDC position. Before removal of the timing belt, rotate the crankshaft until the TDC mark on the oil pump housing aligns with the TDC mark on the crankshaft sprocket (trailing edge of sprocket tooth.) See Figure 1.ħ. And, always align the timing marks before removing theĩ. The camshaft should not be rotated after the timing belt is removed because damage to the valve components could occur.
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Mentioned in steps 4-8, refer to the 2003 Chrysler Service Guide.Ĭaution: When aligning crankshaft and camshaft timing marks, always rotate the engine from the crankshaft. Remove the bolts attaching the timing belt upper front cover and remove that cover. Remove the timing belt lower front cover bolts and the cover.Ĩ. Remove the air conditioner/generator belt tensioner and pulley assembly.Ħ. Remove the crankshaft vibration dampener.ĥ. Remove the air cleaner upper cover, housing and clean air tube.Ĥ. The following steps provide information on removal and replacement of the 2.4L I4 timing belt.ġ. Determine or clarify the meaning of unknown and multiple-meaning words and phrases based on grade 2 reading and content, choosing flexibly from an array of strategies. So, if you are seeing some of these vehicles in your shop with that kind of mileage, it might be a good idea to talk to your customer on scheduling a timing belt replacement. English Language Arts Standards Language Grade 2 4.
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Recommended timing belt replacement for the PowerTech 2.4L engine used in the Jeep Liberty/Wrangler is 120,000 miles. However, valve-to-valve interference can occur if the camshafts are rotated independently. The engine is free-wheeling, meaning it has provisions for piston-to-valve clearance. The 2.4L PowerTech is a double overhead camshaft with hydraulic lifters and four valves per cylinder design.