Seat Ateca 2017 Workshop Manual page 153

Ateca 2017 ➤ , León 2013 ➤ , León ST 2013 ➤
4 cyl. petrol engine (1.8 l and 2.0 l with direct injection, 4 V, exhaust gas turbocharger, timing chain,
EA 888 III. Gen) - Edition 10.2018
– Install guide rail -2-, and tighten bolts -1-.
– Install upper guide rail -1-.
A second mechanic is required for the following work step.
I - Turn exhaust camshaft in -direction of arrow A- using assembly
tool - T40266- , and remove camshaft clamp - T40271/1- from
between teeth of chain sprocket -B-.
II - Release tension from camshaft in -direction of arrow C- until
timing chain rests against guide rail -1-. Hold camshaft in this po‐
sition, install tensioning rail -2-, and tighten bolt -3-.
Note
If the camshaft is not counterheld until the tensioning rail has been
installed, the timing chain may break open.
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permitted unless authorised by SEAT S.A. SEAT S.A does not guarantee or accept any liability with
respect to the correctness of information in this document. Copyright by SEAT S.A.
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3. Chain drive