57
ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: ES9A
Tensioning the timing belt.
Act on the tensioner roller (24) so as to align the marks «c» and «d», without detensioning the timing belt
(failing this, restart the operation of adjusting the belt tension).
Hold the tensioner roller (24).
Tighten the nut (23), tighten to 1 ± 0,1 m.daN.
Check the position of the tensioner roller (the alignment of the marks «c» and «d» should be correct).
Remove the tools [1], [2] and [4].
Turn the crankshaft 2 rotations clockwise.
IMPERATIVE: Never turn it back.
Peg the crankshaft, using tool [2].
Check the position of the tensioner roller (the alignment of the marks «c» and «d» should be correct).
Peg the camshaft pulleys, using tool [1].
If the peg [1] goes in: Loosen the exhaust camshaft pulley screws by 45°.
If the peg [1] does not go in: Slacken the exhaust camshaft pulley screws by 45°.
Bring the exhaust camshaft hub to the pegging position (5), using tool [5].
WARNING: Check that the exhaust camshaft pulleys are not at the end of slots. Otherwise, restart
the operation to position the timing belt.
Tighten the exhaust camshaft pulley screws to 1 ± 0,1 m.daN.
Remove tools [1] and [2].
Complete the refitting.
Initialise the injection ECU (see corresponding operation).
B1EP15XC
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