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CYLINDER HEAD AND VALVES TSB Revision ENGINE OVERHAUL <2.4L ENGINE> 11B-33 >>B<< VALVE SPRING INSTALLATION >>C<< RETAINER LOCK INSTALLATION CAUTION Do not compress the valve spring excessively. It can valve spring. Install the retainer locks. 2. Relieve the spring tension. Check that the retainer locks are seated correctly. >>D<< CYLINDER HEAD BOLT INSTALLATION check that the shank length of each bolt meets the limit. If it Limit: 99.4 mm (3.91 inches) 2. Apply engine oil to the thread of the bolts and to the washers. 3. Using special tool MB991654 tighten the bolts to the specified torque 78 N ⋅ m (58 ft-lb), using the tightening sequence shown. 4. Loosen all bolts fully in the reverse order of tightening. 5. Retighten the loosened bolts to 20 N ⋅ m (14 ft-lb) in the tightening sequence shown. AKX00454 SPRING IDENTIFICATION STEM SPRING AB AKX00520 MD998772 AB AKX00467 SHANK LENGTH AB AKX00526 TIMING BELT SIDE 8
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