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Camshaft Positioning Sensor Replacement

Pelican Technical Article:

Camshaft Positioning Sensor Replacement

Steve Vernon


2 hour2 hr






T30 Torx, universal joint and extensions

Applicable Models:

VW GTI (2006-09)

Parts Required:


Hot Tip:

Use a mirror

Performance Gain:

Smoother running car

Complementary Modification:

Replace Crankshaft positioning sensor
The cam shaft sensor is relatively easy to remove.
Figure 1

The cam shaft sensor is relatively easy to remove. It is located at the end of the cylinder head on the right side of the motor (facing from the drivers seat) just below the fuel lines. The sensor (red arrow) is held in place with a single T30 screw from below the cylinder head. Remove this screw. There is also a wiring connection but this is much easier to remove with the sensor out of the engine.

Wiggle and pull the sensor down and out of the motor (red arrow).
Figure 2

Wiggle and pull the sensor down and out of the motor (red arrow). There may be a little oil on the sensor but there should be no debris or metal.

Here is the sensor.
Figure 3

Here is the sensor. Make sure that the old gasket came out with the sensor (yellow arrow). It is easier to unclip and remove the wiring harness (red arrow) with the sensor out of the engine. Installation is the reverse of removal.

Comments and Suggestions:
Andrew Comments: My car loses boost then regains power then loses boost again. Could it be the camshaft sensor or N75 valve sensor
November 11, 2017
  Followup from the Pelican Staff: hard to say. I would start by checking the DME for fault codes. If the system is not working properly, a fault code will be set. This will be your best bet when diagnosing.
- Nick at Pelican Parts
Gr33n0 Comments: My golf 5 gti axx engine has a hard time starting up. It cranks long before starting. Sometimes its beter other times its worse. I dont have a diagnostic tool but im thing of replacing the camshaft and crankshaft sensors. Can i just change them myself or after changing them will it be necessary to decode or reset the new sensors?
March 16, 2017
  Followup from the Pelican Staff: Replacement is outlined in this article, and it is usually pretty straightforward. They should be plug and play as long as you don't cause any faults by turning the key on with stuff unplugged from the engine. If you do, you will need to reset your faults using a scanner. - Casey at Pelican Parts  

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Page last updated: Wed 2/21/2018 02:46:39 AM