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Duplex Chain Tensioner, Remove and Install
 Remove
Remove lower engine compartment cover – see operation
"Lower Engine Compartment Cover, Remove and Install" in group
"A".
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Remove closure plug for Duplex chain tensioner (2) and remove
Duplex chain tensioner (4) – note installation position.
Install
Insert Duplex chain tensioner into timing case – closed
side of chain tensioner must point to tensioner blade. Install
Duplex chain tensioner screw plug with new seal ring (3) –
tightening torque 60 Nm / 44 lbf. ft.
Caution
A distinction must be made between versions with and without
release bolts (1).
In versions with release bolts the chain tensioner must be
untightened using the release bolt after installation!
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Inspect
Press in the release pin with a hammer shaft until a click is
heard.
It must be possible to push in release bolt up to stop with
thumb and for it to slide back to its original position
automatically – the release bolt can no longer be pushed in
once the oil pressure has built up.
Install
Install lower engine compartment cover – see operation
"Lower Engine Compartment Cover, Remove and Install" in group
"A".
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