It is with a bushing (at least the one I have in the shop with the engine out). The compressor has 2 bolts that mount directly to the bottom of the block and a bracket with a bushing that mounts to the body of the car.
I thought something was amiss when I kept hearing the buzz when the compressor was engaged, but looking at it, I now see why it is noisy.
It is with a bushing (at least the one I have in the shop with the engine out). The compressor has 2 bolts that mount directly to the bottom of the block and a bracket with a bushing that mounts to the body of the car.
I thought something was amiss when I kept hearing the buzz when the compressor was engaged, but looking at it, I now see why it is noisy.
Can you post a pic of this? This would be interesting. I don't understand why/how it is a good idea to mount the compressor to block AND the body.. and can see how this could transmit more noise than necessary. Is this a stock US spec Mz5 or Mz3? Silly questions but I'm assuming no one tried to tamper with the mounting location to, for example, try and fit turbo piping/componets or some kind of aftermarket accessory? It is possible that Mazda release this odd ball but pics are worth a thousand words.
I certainly can't envision where it could bolt to the body, as the pulley is in the front and it can't attach there. There's no other body location that the compressor is even near. I think ours is actually bolted to the oil pan, not the block like I last stated. Either which way though, it's definitely NOT to the body.
I certainly can't envision where it could bolt to the body, as the pulley is in the front and it can't attach there. There's no other body location that the compressor is even near. I think ours is actually bolted to the oil pan, not the block like I last stated. Either which way though, it's definitely NOT to the body.
It is an 04 which the engine was pulled. I compared it with mine to see how things are mounted. The compressor still is in the same location, mid-air as its mounted position. From the location, and mounting I can see how the buzz is more pronounced. It is not isolated which tells me the buzz is broadcasted through the chassis.
The 04's engine has an intermittent knock in the lower end, haven't got that far yet. It is the 2.3 L engine. I think the knock is either the balance shaft or a rod bearing. I will know more when I take it apart to inspect things.
The MZ3 and MZ5 engine is the same, with the exception of mounting the engine and some parts mounting locations. Even the ECU is the same. I did look again at the 2004 and the A/C pump is against the front subframe crossmember.
OT, but if people want to turbo the MZ5, that would be extremely easy. Get the MS3 ECu, plug it in and use the MS3 turbo and exhaust manifold, bolt those on and go for it.
