IS 250C V6-2.5L (4GR-FSE) (2011)
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(e) Install the chain to the No. 3 camshaft, and then install the camshaft to the camshaft housing LH.
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HINT
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Place the chain on the camshaft timing gear but do not engage the teeth of the sprocket and the chain.
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Install the camshaft so that the timing mark is facing upward.
4. INSTALL NO. 4 CAMSHAFT SUB-ASSEMBLY
(a) Clean the camshaft housing LH and camshaft journals, and apply engine oil to them.
(b) Pass the No. 4 camshaft through the No. 2 chain from the front of the vehicle, align the mark plate (yellow) with the timing mark and install the
No. 2 chain to the camshaft timing exhaust gear.
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(c) While lifting up the No. 4 camshaft, pass the No. 3 chain tensioner assembly through the No. 2 chain and set it in place.
(d) Install the No. 4 camshaft to the camshaft housing LH, and then install the No. 3 chain tensioner assembly with the bolt.