Fig. 160: Checking Connecting Rod To Crankshaft Journal Flange Clearance
Courtesy of CHRYSLER LLC
1. Before installing the bolts, the threads should be lubricated with engine oil.
2. Install bolts finger tight then alternately torque each bolt to assemble the cap properly.
3. Install the connecting rod cap bolts following this three step torque plus angle method:
Step 1: Tighten both bolts to 7 N.m (5 ft. lbs)
Step 2: Tighten both bolts to 28 N.m (21 ft. lbs)
Step 3: Tighten both bolts an additional 90°
4. Using a feeler gauge, check connecting rod side clearance. Refer to Engine Specifications. See
Engine -
Specifications
.
FITTING PISTONS
The piston and cylinder wall must be clean and dry. Piston diameter should be measured 90 degrees to piston
pin.
Cylinder bores should be measured halfway down the cylinder bore and transverse to the engine crankshaft
center line. Refer to Engine Specifications. See
Engine - Specifications
.
Pistons and cylinder bores should be
measured at normal room temperature, 21°C (70°F).
Removal
REMOVAL
NOTE:
Pistons and connecting rods are machined to tight weight tolerances and need
not be sorted in any way.
2010 Jeep Wrangler Sport
2010 ENGINE 3.8L - Service Information - Wrangler
viernes, 1 de octubre de 2021 05:18:31 p. m.
Page 129
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