All Things Mk5 > How to Guides / Troubleshooting

CDL Manual Engine swap to fit dsg box

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LC5F:
For straight engine swaps that you are retaining your current ECU, to avoid introducing any uncertainty, it is best to retain the old package of sensors that you know are good and are able to start the engine.

Chances are the sensors on the new engine will probably work - keep them as spares, but always consider the car this engine came from was broken up for a reason.

Do you have any history of the new engines servicing? - This is the perfect time to replace timing belt and water pump.

MrFernze:

--- Quote from: LC5F on May 08, 2022, 01:43:15 pm ---For straight engine swaps that you are retaining your current ECU, to avoid introducing any uncertainty, it is best to retain the old package of sensors that you know are good and are able to start the engine.

Chances are the sensors on the new engine will probably work - keep them as spares, but always consider the car this engine came from was broken up for a reason.

Do you have any history of the new engines servicing? - This is the perfect time to replace timing belt and water pump.

--- End quote ---

Unfortunately I do not have any service history on the car, other than the MOT history. I will be spending around £2k on a lot of preventative maintenenace, that was my main thing when getting the engine, making sure it will run correctly and hopefully with a longer lifespan than the AXX block I had.

pudding:
CDL has a 200 bar fuel pressure sensor and I believe different map sensor as well.  These will need factoring in when setting up the AXX ECU to run the CDL.  I believe the ECU also needs configuring to run the DSG box.  It might just be as simple as a tick in the CAN gateway module list, but I've read the DSG engine ECUs are different to manual.

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