Frontier 2WD L4-2.5L (QR25DE) (2005)
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5. Install balancer unit timing chain tensioner.
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After installation, make sure the mating marks have not slipped, then remove stopper pin and release tensioner sleeve.
6. Install timing chain and related parts.
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Install by aligning mating marks on each sprocket and timing chain.
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Before and after installing chain tensioner, check again to make sure that mating marks have not slipped.
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After installing chain tensioner, remove stopper pin, and make sure that tensioner moves freely.
CAUTION:
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For the following note, after the mating marks are aligned, keep them aligned by holding them with a hand.
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To avoid skipped teeth, do not rotate crankshaft and camshaft until front cover is installed.
NOTE: Before installing chain tensioner, it is possible to change the position of mating mark on timing chain for that on each sprocket for
alignment.
7. Install front oil seal to front cover. Refer to Removal and Installation of Front Oil Seal.
8. Install O-rings to cylinder head and cylinder block.
