Piston And Connecting Rod: Installation

WARNING: This page is about a different variant/trim than selected.

Fig 1: Removing/Installing Piston Pin

Courtesy of DAIMLERCHRYSLER CORP.

Fit the piston onto the connecting rod (3).
Press in the piston pin (1).
Install the snap rings (2).
Replace the piston rings as required. (Refer to ENGINE/ENGINE BLOCK/PISTON RINGS - REMOVAL) .

Fig 2: Loading Piston/Connecting Rod Assembly Into Ring Compressor
Courtesy of DAIMLERCHRYSLER CORP.
Load the piston/connecting rod assembly (1) into a ring compressor (2) with light oil lubrication.

Fig 3: Driving Piston Into Cylinder
Courtesy of DAIMLERCHRYSLER CORP.
Drive the piston into the cylinder using a wooden drift and a mallet.

Fig 4: Identifying Slots & Oil Drilling
Courtesy of DAIMLERCHRYSLER CORP.

NOTE: The connecting rod bearing shell with the oil drilling (2) must be installed in the connecting rod, otherwise the connecting rod bearings will not be lubricated. The anti-twist locks of the connecting rod bearing shells must be located in the slots (1) of the connecting rods and the connecting rod bearing caps.

Fig 5: Marking Connecting Rod Caps
Courtesy of DAIMLERCHRYSLER CORP.
Align the connecting rod caps with the marks (1).
Install the connecting rod bolts.
Tighten the connecting rod bolts in three stages.
1. Stage one, 5 N.m (44 in. lbs.)
2. Stage two, 25 N.m (18 ft. lbs.)
3. Stage three, rotate bolts 90° clockwise.
Test the engine for ease of rotation.
Install the timing chain. (Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS - INSTALLATION) .