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Volkswagen Golf Mk7 Service & Repair Manual: Removing and installing alternator, vehicles with TDI engine

Using torque wrenches -V.A.G 1331-/-V.A.G 1783-, this page covers removing the alternator on TDI Volkswagen Golf Mk7 models — disconnect the battery earth cable and remove the poly V-belt first.

Special tools and workshop equipment required
   
Torque wrench -V.A.G 1331-
 

Removing and installing alternator, vehicles with TDI engine

Torque wrench -V.A.G 1783-
Removing
–  With ignition switched off, disconnect earth cable from battery -A- → Chapter.
–  Remove poly V-belt → Rep. gr.13.
–  Remove tensioner for poly V-belt → Rep. gr.13.
Vehicles with air conditioner
  Caution
Risk of damage to air conditioner compressor, refrigerant lines and refrigerant hoses:
Make sure refrigerant lines and hoses are not excessively stretched, kinked or bent.
–  Remove air conditioner compressor from bracket → Heating, air conditioning system; Rep. gr.87.
–  Secure air conditioner compressor to lock carrier so that refrigerant lines are not under tension.
Continued for all vehicles
 

Removing and installing alternator, vehicles with TDI engine

–  Remove bolts -arrows-.
  Note
If alternator -C--1- is stuck in its bracket, screw bolts in again except for the last 2 turns.
Carefully hit bolt heads with flat side of hammer to release sliding bushes of alternator mounting.
–  Remove alternator -C--1- from bracket with electrical wiring still connected.
–  Disconnect electrical connector -5-.
–  Pry off cap -4-.
–  Unscrew nut and remove terminal 30/B+ -3-.
–  Unscrew nut -6- and pull off clamp -2-.
–  Remove alternator -C--1- downwards to the right.
Installing
Install in the reverse order of removal, observing the following:
–  To facilitate positioning of alternator -C-, slide bushes of alternator mounting slightly towards back.
  Note
Ensure that bushes of alternator mounting slide freely and are not to tight (loosen, if necessary); otherwise clamping force of sliding bushes is too low even if specified torque is applied.
–  Reconnect battery -A- → Chapter.
–  Always start engine and check belt running after completing work.
Specified torques
→ Chapter „Assembly overview - alternator“
 

Removing and installing alternator, vehicles with TDI engine

    Questions & answers

    Removing and installing alternator, vehicles with TDI engine — Volkswagen Golf Mk7

    How do I remove the Golf Mk7 alternator (TDI)?
    Different access route due to the diesel fuel filter and piping. Remove the belt, disconnect and unbolt.
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