Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
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.
1.1.2 Assembly overview - silencers, engine
codes CJSA , CJSB, Leon SC, 5-door
Original equipment as single assembly together with rear silenc‐
er; to be renewed individually in event of repair
1 - Front silencer
❑ Combined in one unit
with rear silencer as
original equipment. Can
be renewed individually
for repair purposes.
❑ Removing and fitting
⇒ page 406
❑ Separating point
⇒ page 408
❑ Stress-free alignment of
exhaust system
⇒ page 411
2 - Bolt
❑ 20 Nm
3 - Support plate
4 - Retaining rings
❑ Renew if damaged.
5 - Clamps (rear)
❑ Before tightening, align
exhaust system so it is
free of stress
⇒ page 411
❑ Installation position
⇒ page 394 .
❑ Tighten bolted connec‐
tions evenly
6 - Nut
❑ 30 Nm
7 - Rear silencer
❑ In the original factory
equipment, this is a sin‐
gle piece with the centre
silencer. Can be renewed individually for repair purposes.
❑ Removing and fitting ⇒ page 402
❑ Separating point ⇒ page 408
❑ Stress-free alignment of exhaust system ⇒ page 411
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
1. Exhaust pipes/silencers 393