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2. Position primary chain tensioner over oil pump and insert bolts into lower two holes on tensioner CAUTION: Overtightening the tensioner arm torx T bolt can cause severe damage to the cylinder T bolt to specified torque only. 3. Install right side chain tensioner arm. Apply Mopar T Lock N, Seal to torx T bolt, tighten bolt to 17 N·m (150 in. lbs.). NOTE: The silver bolts retain the guides to the cyl- 4. Install the left side chain guide. Tighten the bolts to 28 N·m (250 in. lbs.). CAUTION: Overtightening the tensioner arm torx T bolt can cause severe damage to the cylinder T bolt to specified torque only. 5. Install left side chain tensioner arm. Apply Mopar T Lock N, Seal to torx T bolt, tighten bolt to 17 N·m (150 in. lbs.). 6. Install the right side chain guide. Tighten the bolts to 28 N·m (250 in. lbs.). 7. Install both secondary chains onto the idler sprocket. Align two plated links on the secondary chains to be visible through the two lower openings on the idler sprocket (4 o’clock and 8 o’clock). Once the secondary timing chains 8. Align primary chain double plated links with the timing mark at 12 o’clock on the idler sprocket. Align the primary chain single plated link with the timing mark at 6 o’clock on the crankshaft sprocket. 9. Lubricate idler shaft and bushings with clean engine oil. 10. Install all chains, crankshaft sprocket, and idler sprocket as an assembly. After guiding both sec- 9 - 1424 ENGINE - 4.7L SERVICE INFORMATION WK |