Seat Ateca 2017 Workshop Manual page 104

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
❑ Fitting position: The marks -B- should point in the direction of the pulley
❑ Separating new conrod
❑ Measuring radial clearance
5 - Pressure relief valve
❑ 27 Nm
6 - Oil spray jet
❑ For piston cooling
❑ Installation position
❑ Removing and installing
7 - Securing ring
❑ Must be renewed if removed
8 - Piston pin
❑ Apply engine oil before installing
9 - Piston
❑ Installing with piston installation sleeve -T40347-
❑ Installation position: arrow on piston crown faces towards pulley end
❑ Mark allocation to cylinder
❑ Checking pistons and cylinder bores
10 - Compression rings
❑ Offset gaps by 120°
❑ Installation position in connection with two-part oil scraper ring: the lettering "TOP" or "R" should point
upwards to the piston crown
❑ Install compression rings
❑ Assignment and installation position in connection with three-part oil scraper ring
❑ Check gap clearance
❑ Checking ring-to-groove clearance
11 - Oil scraper ring
❑ 2 or 3 parts, depending on version
❑ Install in such a way that upper gap of three-part oil scraper ring is offset by 120° relative to adjacent
compression ring
❑ Checking ring gap
❑ Checking ring-to-groove clearance
❑ Installing oil scraper ring, three-part
❑ Allocation of piston rings in connection with three-part oil scraper ring
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.
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Rep. gr.13 - Crankshaft group
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⇒ Fig. ""Checking end clearance"" , page 100
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