Remove the engine front cover. For additional information, refer to Engine Front Cover in this section.
Remove the crankshaft sensor ring from the crankshaft.
Rotate the crankshaft until the timing mark on the RH camshaft sprocket is approximately at the 11 o'clock position and the timing mark on the LH camshaft sprocket is approximately at the 12 o'clock position.
Using the special tool, position the crankshaft as shown.
Install the special tool.
NOTE: LH shown; RH similar. Remove the two bolts, the timing chain tensioner and tensioner arm.
Remove the LH and RH timing chains and the crankshaft sprockets.
Remove the special tool from the crankshaft.
Remove the timing chains from the camshaft sprockets.
Remove the right and left timing chains and the crankshaft sprocket from the crankshaft.
CAUTION: The bolts are different lengths and must be returned to their original location. NOTE: LH shown; RH similar. Remove the bolts and the timing chain guides.
Installation
CAUTION: Timing chain procedures must be followed exactly or damage to valves and pistons will result. CAUTION: Do not compress the ratchet assembly. This will damage the ratchet assembly. Compress the tensioner plunger, using an edge of a vise.
Using a small screwdriver or pick, push back and hold the ratchet mechanism.
While holding the ratchet mechanism, push the ratchet arm back into the tensioner housing.
Install a paper clip into the hole in the tensioner housing to hold the ratchet assembly and plunger in during installation.
Remove the tensioner from the vise.
NOTE: There are 61 links in the timing chain. If the copper links are not visible, mark two links on one end and one link on the other end, and use as timing marks.
Install the timing chain guides.
Using the special tool, verify correct crankshaft position.
Remove the special tool.
NOTE: Crankshaft sprockets are identical. They can only be installed one way. Refer to the following illustration for correct crankshaft sprocket installation. If removed, install LH and RH crankshaft sprockets.
Install the LH timing chain onto the crankshaft sprocket, aligning the one copper (marked) link on the timing chain with the slot on the crankshaft sprocket.
Position the LH timing chain on the camshaft sprocket with the two copper (marked) chain links and the camshaft sprocket timing mark aligned.
Position the RH (outer) timing chain on the crankshaft sprocket, aligning the copper (marked) link with the timing mark on the sprocket.
Position the RH timing chain on the camshaft sprocket. Make sure the two copper (marked) links align with the camshaft sprocket timing mark.
NOTE: LH shown; RH similar. Position the tensioner arms and tensioners, and install the bolts.
Remove the tensioner retaining clip.
As a post-check, verify correct alignment of all timing marks.
Remove the special tool.
Position the crankshaft sensor ring on the crankshaft.
Install the engine front cover. For additional information, refer to Engine Front Cover in this section.
The Sorento has a timing BELT not a chain. Here is an image of the 3.5 litre engine & the timing marks. Note: special tools are required to hold the camshaft sprockets in place when belt is installed to prevent any movement....I hope this helps.
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