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My AC will work great for a while and then just quit. It used to come back on after 15 minutes and work great again until it would stop again but now it seems like it works when the car is first started cold, then when it cuts out, it stays off permanently until the next day. I checked the AC...

Looking for a good 2008 Mazda3 vid or guide...There's exactly one vid on youtube but it was pretty worthless. The guy had everything apart already.

We've had a few 5s and a 2008 3 and no covers.

I haven't done it but if you're going to do it...I assume it's all on the "front" of the engine. (which would actually be the passenger side). If it's a typical engine setup, Replace: Water Pump Front Main Engine Seal Cam Seals? There are probably chain guides. Usually made from plastic on...

@ramshankle How bad is the noise? I'm very surprised that Mercon V would damage things that quickly. How many miles did you put on it? Are the high gear synchros causing issues? The first gear synchro never works all that well on these.

If you don't have at least 200k miles on the chain, it's a waste of money.

On a 2.3L, it helps keep crap out of the AC Compressor which is on the bottom of the engine. I replaced both on the 2008 Mazda 3 and 2010 Mazda 5 2.3L. They were missing from the used car dealer.

Never seen such a thing. You can always get something custom made but it won't be cheap.

My 2008 has all original mounts as far as I know. My 2010 Mazda5 with the exact same engine is the same. I'm sure they'll need replacing soon.

That's a too lean code. You probably have air getting into the system. Look for a vacuum leak. Check all the hoses for cracks or breaks. Use the brake cleaner spray trick to find it. (lots of videos) You can test the O2 sensor but I'm thinking, since the car isn't running right, the...

I would go to partsouq.com, put in your VIN and then pull up the exploded parts diagrams. I have found numerous parts locations from their diagrams.

Could be. They should be easy enough to change and they are original.

Got KYB front struts about 25k miles ago and it removed the clunking. Replaced the front swaybar bushings at the same time. Replaced the upper strut bearing\bushing thing with all those little ball bearings in it too. Front clunking is already back after 25k miles. Not too happy with KYB if...

Here is a vid for the same fix where the plastic assembly failed while the gasket may still be ok:

I don't see the bolt. That big plastic part with the "X" on top fails...or more likely its gasket fails. The gasket from that plastic block to the head needs to be replaced. Possibly the entire plastic block as well if you don't trust it. If it were me and that plastic block wasn't too...

Your switch readings are spot on. So you need to verify wiring and the PCM it seems. Also those diagrams are from an FSM for a 2007 but they should be the same for 2008.

Some more:

What was the code? Whenever they say "we found a code" DEMAND a printout. Cruise is a funny thing, there are like a half dozen things that participate in it and it could be something like a faulty brake switch which might throw its own code. Did you try and pull it with a code reader? If you...