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2005 Mazda 3 – 2.3L to 2.5L Engine Swap. Getting Started








I’m putting a 2.5L Ford Fusion engine in place of the 2.3L engine in my sons 2005 Mazda 3S.

The 2.3L has 150kmi and is using a quart of oil every 400mi. The VVT gear is also bad causing that nasty rattle on startup. The original clutch just went out so the time is right for a swap.

The car does not smoke when running or on startup. There are no oil leaks. Other than the VVT rattle it generally runs fine and there are no CEL’s or anything else, it just uses a ton of oil.

The swap engine is a 2011 2.5L Ford Fusion engine from a local salvage yard. It has 58kmi on it.

Link do Vídeo






13 Comentários

  1. What would you say is the simplest engine to look for to replace a 2006 Mazda 3 2.3, if I went to a Ford 2.5. Would the timing issue be easier with a 09 or older?

  2. Is there any way you can message me or email me, on instructions of taking out the engine. Im just swapping with a engine of the same kind but has 50 k miles

  3. Hello there. I have an 05 with the same issue. I want to do a 2.5 fusion swap but i dont want to get into pulling out the cams. Is it possible to just swap to an 09 ecu/harness and put the fusion engine to avoid having to switch the cams? I would like to keep ford oil pan and accesories. Any input would be appreciated

  4. Great work I recently obtained a 2.5 engine also with 43k and I will be swapping it into my 2.3 Mazda 3, I will be following your videos for a guide

  5. hi there,i am running into a little problem just wondering if you could help. I swapped mazda3 2006 2.3L engine with mazda5 2.3L that came with its wiring and all that however when i start it turns over but doesnt start. Would really appreciate if you know on what else do i need to do to get this working. Thank you kindly

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