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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (4.2L - Engine Mechanical, Engine Code(S): BNS) >> 10 - Engine - Assembly >> Engine, removing and installing >> Engine, removing

Engine, removing

WARNING: This page is about a different car, the 2008 Audi RS 4 and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • With lock carrier removed, engine is removed downward with transmission and subframe.
  • Drained coolant must be stored in a clean container for disposal or reuse.
  • During installation, re-install all heat insulation sleeves and heat shields at the same locations.
  • All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.
Fig 1: Identifying Special Tools - Engine, Removing
GW00018334Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools, testers and auxiliary items required 

NOTE:
  • If engine and transmission are to be separated after removal, the supplementary set VAS 6131/11 and adapter VAS 6131/10-12 (qty. 2) will be additionally required.

Work procedure 

CAUTION: Observe safety precautions when disconnecting the battery → .
Fig 2: Disconnecting Battery Ground (GND) Strap
GW00018335Courtesy of VOLKSWAGEN UNITED STATES, INC.
CAUTION: Cover cap of coolant expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.
Fig 3: Removing Quick-Release Fasteners, Screws And Noise Insulation
GW00018071Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 4: Removing Bracket For Noise Insulation
GW00017275Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 5: Removing Left Air Guide In Front Of Auxiliary Cooler
GW00018072Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 6: Removing Bolt On Auxiliary Cooler Upper Bracket, At Left Of Lock Carrier
GW00018336Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 7: Removing Right Air Guide In Front Of Auxiliary Cooler
GW00018073Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 8: Removing Bolts On Oil Cooler Lines At Upper Part Of Oil Pan
GW00018337Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 9: Removing Drain Plug On Coolant Thermostat Housing
GW00018338Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 10: Removing Drain Plug On Front Coolant Pipe
GW00018339Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 11: Removing Coolant Hose Downward From Cooler
GW00018340Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 12: Disconnecting Hydraulic Lines To Cooling Coil At Left Rear Of Bumper
GW00018341Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 13: Removing Cover In Engine Compartment (Left Side)
GW00018342Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 14: Removing Bolts & Air Ducts
GW00017848Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 15: Disconnecting Top Coolant Hose From Radiator
GW00018076Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 16: Removing Electrical Harness Connectors From Bracket
GW00018343Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 17: Disconnecting Electrical Harness Connector For Headlights At Both Sides Of Vehicle
GW00017437Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 18: Disconnecting Electrical Harness Connector For Left/Right Airbag Sensors On Lock Carrier
GW00018077Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 19: Disconnecting Electrical Harness Connector For Right Fan
GW00018078Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 20: Removing Bolt And Disconnecting Refrigerant Line To A/C Compressor
GW00018344Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • To prevent damage to the refrigerant lines/hoses, ensure that the lines and hoses are not stretched, kinked or bent.
Fig 21: Removing Bolt And Disconnecting Refrigerant Line To A/C Evaporator
GW00018345Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 22: Removing Right Coolant Hose
GW00018346Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 23: Removing Bolts At Left/Right Side Of Bumper
GW00017286Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 24: Removing Bolts At Impact Absorbers At Left/Right
GW00017442Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • A second technician is required to remove the lock carrier.
Fig 25: Pulling Rear Engine Cover Off
GW00018347Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 26: Pulling Front Engine Cover Off
GW00018330Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 27: Removing Coolant Hoses & Coolant Expansion Tank
GW00018348Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 28: Removing Ground (GND) Connection & Vacuum Lines To Brake Booster From Distribution Piece
GW00018349Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 29: Removing Hose At Evaporative Emission (EVAP) Canister Purge Regulator Valve N80
GW00018350Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 30: Disconnecting Electrical Harness Connector On Brake System Vacuum Pump V192
GW00017591Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 31: Disconnecting Electrical Harness Connector For After-Run Coolant Pump V51 (Behind Auxiliary Cooler At Left)
GW00018351Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 32: Disconnecting Vacuum Hose
GW00017845Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 33: Removing Hose At Power Steering Fluid Reservoir
GW00018352Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Place a rag under separating point to catch escaping hydraulic fluid.
Fig 34: Disconnecting Coolant Hoses
GW00018088Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 35: Removing Coolant Hose From Thermostat Housing
GW00018353Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 36: Removing Coolant Hoses To Oil Cooler At Engine And To Generator
GW00018354Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 37: Disconnecting Coolant Hoses
GW00018091Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 38: Removing Bolts & Bracket For Front Torque Support
GW00018355Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 39: Identifying Mass Air Flow (MAF) Sensor G70 Electrical Harness Connector, Secondary Air Injection (Air) Pump Hose, Vacuum Lines & Air Guide Hose
GW00018356Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Ignore - arrows  -.
Fig 40: Removing Hose At Secondary Air Injection Pump By Pressing Release Buttons & Disconnecting Electrical Harness Connectors
GW00018357Courtesy of VOLKSWAGEN UNITED STATES, INC.
CAUTION: Hose connectors must not be opened.
Fig 41: Removing Bolts & Disengaging Retaining Clip & Removing Rear Engine Cover Bracket
GW00018358Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 42: Disconnect fuel supply line - arrow - at fuel rail
GW00018359Courtesy of VOLKSWAGEN UNITED STATES, INC.
CAUTION: Fuel system is under pressure! Before opening system, place clean rags around the connection. Then release pressure by carefully loosening the connection.
Fig 43: Identifying Plenum Chamber Cover & Rubber Seal
GW00014442Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 44: Removing Securing Clips And Cowl
GW00014443Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • If wiper arm cannot be removed in this way, use a standard puller.
Fig 45: Removing Screws And Cover From E-Box In Plenum Chamber
GW00014444Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 46: Using Screwdriver To Remove Retainer Bar And Engine Control Module (ECM) J623
GW00014445Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Engine Control Module (ECM) remains connected at wiring harness.
Fig 47: Releasing Retaining Hooks Toward Outside And Removing Retaining Bracket
GW00017857Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 48: Disconnecting All Electrical Harness Connectors On Connector Station & Electrical Wire Connection
GW00017600Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 49: Disengaging Locking Mechanisms And Removing Secondary Relay Carrier In E-Box Toward Top
GW00017601Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 50: Disconnecting Electrical Connectors
GW00018360Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 51: Removing Bolts, Ground (GND) Pins & Ground (GND) Line Underneath
GW00018361Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 52: Releasing Retaining Clip And Open Cover Over Positive Terminal Pick-Off, Cover Over Electrical Lines & Removing Nut On Positive Line
GW00018362Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Ignore - -.
Fig 53: Removing Lower Coolant Hose At Heat Exchanger
GW00018363Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 54: Identifying Secondary Air Injection (AIR) Pump Motor V101 Electrical Harness Connector, Long Member Ground (GND) Wire & Right Engine Bracket Electrical Connectors
GW00018364Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 55: Disconnecting Hydraulic Pressure Line For Power-Steering At Left Next To Oil Pan
GW00018099Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 56: Removing Bolts And Nuts Uniformly At Left/Right
GW00017858Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • To prevent damage to the refrigerant lines/hoses, ensure that the lines and hoses are not stretched, kinked or bent.
Fig 57: Removing Bolts & Right Refrigerant Line From A/C Compressor
GW00018100Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • The left refrigerant line will be removed at a later point in time.
Fig 58: Removing Bracket For Refrigerant Lines At Left Front On Oil Pan
GW00018365Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 59: Removing Bracket For Refrigerant Lines At Left Rear On Oil Pan
GW00018366Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 60: Removing Bracket For Refrigerant Lines At Right On Oil Pan
GW00018367Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 61: Removing Coolant Line Retaining Clamp At Right Of Auxiliary Cooler
GW00018368Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 62: Removing Bolt And Disconnecting Refrigerant Line To A/C Compressor
GW00018369Courtesy of VOLKSWAGEN UNITED STATES, INC.
CAUTION: To loosen collar bolt for drive axle, the wheel bearing must not be under load (vehicle must not be standing on its wheels).
Fig 63: Identifying Collar Bolt For Right Drive Axle
GW00012714Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 64: Disconnecting Electrical Harness Connector At Left Front Level Control System Sensor G78
GW00018370Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 65: Removing Suspension Strut From Link
GW00017859Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 66: Removing Expanding Clips, Nut And Cover Behind Wheel Housing
GW00018105Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 67: Removing Guide Link And Link On Subframe
GW00017860Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 68: Pivoting Guide Link And Link Outward
GW00017870Courtesy of VOLKSWAGEN UNITED STATES, INC.
CAUTION: Guide link and link must not hang free. Tie up both links on wheel bearing housing - arrows  - as shown in illustration.
Fig 69: Removing Heat Shield For Left Drive Axle
GW00018371Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 70: Disconnecting Exhaust System At Clamping Sleeves
GW00018372Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Flex joint in front exhaust pipe must not be bent more than 10 ° , otherwise it may be damaged.
Fig 71: Removing Heat Shield For Drive Shaft
GW00017862Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 72: Identifying Scissor Lift Platform VAS 6131
GW00017863Courtesy of VOLKSWAGEN UNITED STATES, INC.

Prepare scissor lift platform: 

Platform coordinates Parts from Support Set VAS 6131/10
B4 /10-1 /10-4 /10-5 /10-12
G3 /10-1 /10-4 /10-5 /10-6
B10 /10-1 /10-2 /10-5 /10-8
G10 /10-1 /10-2 /10-5 /10-8
C14 /10-1 /10-3 /10-5 /10-7
E14 /10-1 /10-3 /10-5 /10-7
Fig 73: Positioning Support Elements From VAS 6131/10 At Front On Engine
GW00018373Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 74: Positioning Support Elements From VAS 6131/10 At Left/Right On Subframe
GW00017865Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 75: Positioning Support Elements From VAS 6131/10 At Left/Right On Tunnel Cross Member
GW00018107Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 76: Removing/Installing Bolts In Stages
GW00017868Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Verify that all hoses and lines between engine/transmission subassembly and body have been disconnected.
  • While lowering, carefully guide engine/transmission subassembly with subframe out of engine compartment in order to prevent damage.
Fig 77: Lowering/Lifting Engine/Transmission Assembly Using Scissor Lift Platform VAS 6131 Only Approx. By Dimension
GW00017869Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 78: Identifying Push Rod And Connecting Rod For Selector Rod
GW00005674Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 79: Removing/Installing Nut And Lever From/To Selector Shaft
GW00017871Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 80: Slave Cylinder Bracket And Fastener
GW00005261Courtesy of VOLKSWAGEN UNITED STATES, INC.
CAUTION: Do not operate the clutch pedal anymore after slave cylinder has been removed. At a pedal pressure of approx. 300 N, the clutch slave cylinder is destroyed.
Fig 81: Removing/Installing Coolant Hose To Heater Core On Rear Coolant Pipe
GW00018374Courtesy of VOLKSWAGEN UNITED STATES, INC.