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Seat Ateca 2017 - Page 5

Seat Ateca 2017
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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.
2 Engine oil radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
2.1 Assembly overview - engine oil cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
2.2 Removing and installing engine oil cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
2.3 Removing and installing mechanical switching valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
3 Crankcase breather system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
3.1 Exploded view - crankcase breather system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
3.2 Removing and installing the oil separator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
4 Oil filter/oil pressure switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
4.1 Exploded view - oil filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
4.2 Exploded view - oil pressure switches/oil pressure control . . . . . . . . . . . . . . . . . . . . . . . . 222
4.3 Removing and installing piston cooling jet control valve N522 . . . . . . . . . . . . . . . . . . . . . . 223
4.4 Removing and installing oil pressure switch F1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
4.5 Removing and installing oil pressure switch for reduced oil pressure F378 . . . . . . . . . . . . 225
4.6 Removing and installing stage 3 oil pressure switch F447 . . . . . . . . . . . . . . . . . . . . . . . . 226
4.7 Checking oil pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
4.8 Removing and installing valve for oil pressure control N428 . . . . . . . . . . . . . . . . . . . . . . . . 231
19 - Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
1 Cooling system/coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
1.1 Connection diagram - coolant hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
1.2 Draining and filling coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
1.3 Checking cooling system for leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
1.4 Flushing cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
1.5 Flushing cooling system, quick reference guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
2 Coolant pump/thermostat assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
2.1 Exploded view - coolant pump and thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
2.2 Exploded view - electric coolant pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
2.3 Exploded view - coolant temperature sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
2.4 Removing and installing toothed belt for coolant pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
2.5 Removing and replacing coolant pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
2.6 Removing and installing electric coolant pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
2.7 Removing and installing coolant shut-off valve N82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
2.8 Removing and installing coolant valve for gearbox N488 , vehicles with dual clutch
gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
2.9 Removing and installing actuator for engine temperature regulation N493 . . . . . . . . . . . . 282
2.10 Removing and installing coolant temperature sender G62 . . . . . . . . . . . . . . . . . . . . . . . . 284
2.11 Removing and installing coolant temperature sender at radiator outlet G83 . . . . . . . . . . 285
3 Coolant pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
3.1 Exploded view - coolant pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
3.2 Removing and installing coolant pipe at front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
3.3 Removing and installing coolant pipes (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
4 Radiator/radiator fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
4.1 Exploded view - radiator/radiator fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
4.2 Exploded view - auxiliary radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
4.3 Exploded view - radiator cowl and radiator fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
4.4 Removing and positioning radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
4.5 Removing and installing radiator cowl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
4.6 Removing and installing radiator fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
4.7 Removing and installing auxiliary radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
21 - Turbocharging/supercharging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
1 Turbocharger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
1.1 Exploded view - turbocharger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
1.2 Turbo compressor: removing and fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
1.3 Adjusting charge pressure positioner V465 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
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
Contents iii

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