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Mazda3 Maintenance & Repair

4533 messages,  Last post on Dec 05, 2009 at 6:27 PM

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What is this discussion about? Mazda MAZDA3, Hatchback, Sedan

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#921 of 4533 Re: rainman [z71bill] by rainman Aug 05, 2004 (8:34 am)
Replying to: z71bill (Aug 05, 2004 8:20 am) On the weekend I did some straight ahead driving with few traffic lights and stops and starts, but only at city speeds. I was getting about a 12 degree heat gain on the coolest setting. The heat gain seems to increase rapidly with the car standing still, when likely the engine compartment is heating up. I didn't get a chance to measure the Protege during normal driving, but I drove one for 5 years until a few weeks ago and never felt the fresh air was being heated during normal driving. The air temperature generally felt about the same as the outstide air. I suspect the heat gain for the Protege during normal driving is way below the 12 degree gain in the M3. The M3 also seems to hold onto the heat longer once you get away from stop and start driving. These last comments are just impressions. I haven't had a chance to actually measure.
#922 of 4533 Re: an idea - AC [backy] by rinebird Aug 05, 2004 (10:11 am)
Replying to: backy (Aug 04, 2004 3:40 pm) I was given a loaner car of the same model I bought(mine car has AC).The loaner had better AC under the same conditions in weather.I informed the dealer of such,they told me the loaner had a bigger engine .I was smart enough to get the VIn on the loaner to verify engine.The dealer's service department told me that the 2.0 isnt' big enough for the AC is IMO admitting the AC doesn't work but they check my AC out and say it is up to standards of the manufacturer, what a contradiction.
#923 of 4533 Re: [abarlow] by rinebird Aug 05, 2004 (10:17 am)
Replying to: abarlow (Aug 04, 2004 5:33 pm) I have an an idea...My car was built 3/04 with the AC problem.Do you think that perhaps your car 12/03 and the 3/04 by being built in the winter perhaps the AC wasn't even checked or if checked it was in winter conditions in a cold factory?
#924 of 4533 by secretcervix Aug 05, 2004 (1:25 pm)
I read through most of this thread, but I can't get through it all.   Is the only outstanding issue these days, the AC? Or is the brake thing still a problem? I assume all the cars these days are coming with fixed airbag sensors?   I think its a great idea for people to post their build. I haven't seen 1 person outside 3/04 yet, so maybe it specific to that.   I'm trying to decide between a Mz3 and Subaru Legacy. I love the interior of the mz3, but I don't see hardly any problems with the Sub. Replies to this message: drywall (Aug 05, 2004 4:22 pm)
#925 of 4533 Re: [secretcervix] by drywall Aug 05, 2004 (4:22 pm)
Replying to: secretcervix (Aug 05, 2004 1:25 pm) My build date is 05/04. I haven't had much occassion to use my AC, but my casual impression is that it was underpowered, though not horribly so. I'm getting lots of dust on the rear rims, a problem also noted here, but it doesn't seem to be affecting anything.   No problems to report from airbag sensors, CEL, or anything else. I do have several very minor complaints about the car in general -- you're not going to get perfection for $17k, after all -- but on the whole I love my Mazda3 hatch. I get the impression I might be slightly less satisfied if I lived someplace warmer...
#926 of 4533 Build Date... by lmp180psu Aug 05, 2004 (4:49 pm)
My build date on my sedan is 1/04 and I have an ineffective A/C system. I had one day where I had to turn the dial down to level 1 occassionally, because it seemed to actually be cooling the car effectively ( around 80 degrees, sunny, with some humidity). But of course, since then, the A/C has always had to stay on level 2, and I have had the cycling of barely sufficient cool air then muggy, stale air.   In other cars me/my family has owned, the A/C has never been a problem ( except for the occassional recharging of refridgerant). In fact, my mom owned a 97 Escort up until last year, and the A/C in that car was great, and very often needed to be switched to a slight mix of warmer and colder air to prevent freezing hands, toes etc (This car had a 2.0 liter, 110 hp engine). I haven't had the temp dail off of max cold since I have owned my Mazda3. Luckily, I have a good tolerance for heat, because if this was my mom's car, she might have gotten rid of it by now.   Aside from this issue, I am very satisfied with my car ( 4.5 months, 4300 miles).   Sschafer,   How come you can't tell us the company that issued a TSB about a problem similar to the problem being discussed? Am I missing something here?   Keep the discussion/ideas coming everyone. Replies to this message: sschaffer (Aug 05, 2004 5:07 pm)
#927 of 4533 Re: Build Date... [lmp180psu] by sschaffer Aug 05, 2004 (5:07 pm)
Replying to: lmp180psu (Aug 05, 2004 4:49 pm) I work for a dealership of a competing Japanese car company and like my job, 'nuff said. The interesting thing is that although this TSB regarding heater damper door adjustment on some models was issued a coupla months ago we haven't had a single owner of that model come in with a complaint about poor AC performance.   I became cognizant on my own of this damper door adjustment factor back in the mid-80s, and it's the first thing I check when a car comes in with a poor ac complaint and the refrigeration system checks out ok.
#928 of 4533 Rear Brake Dust by birdman579 Aug 05, 2004 (6:09 pm)
I've had my 3 for just over a week now and the rear brake dust is starting to be noticeable. A friend was telling me that the Electronic Brakeforce Distribution causes this because it creates a rear-brake bias. The idea is that under severe braking, the braking system can send more braking power to the front wheels if needed to increase stopping power. Any truth to this theory? Replies to this message: kyfdx (Aug 06, 2004 5:50 am)
#929 of 4533 New A/C theroy by abarlow Aug 05, 2004 (7:15 pm)
Go read my A/C theory on the other 'Mazda 3' forum (it seems I cannot name it here im afraid). I have written a long essay on my theory as to the possible cause of this problem. I would appreciate your thoughts on this.   abarlow
#930 of 4533 A/C Temp test by dancehaus Aug 05, 2004 (7:45 pm)
I conducted my own test last night with a digital thermometer. The outside temp was 87 at 1:00am (dallas). I tested the vent airflow first without A/C. The air coming in was 95 and even after driving for 5 minutes, that didn't change! Then I turned on the A/C. It started out around 60 something, then dropped to 50 degrees. The lowest it got in 15 minutes of driving was 48 degrees while idling. Mostly it hovered around 50. To compare, I did the same thing with my wife's Honda Civic. Did the same vent test and the air coming from the outside was not warmer, it was cooler, by at least 5 degrees. This Honda engine was warm - just drove it for 40 minutes right before the testing - and the air was not coming in warm at all. Then I turned on the A/C and it immediately dropped to 50F, then 45F and stayed there. The lowest it got was 43.9F. Average temp was 5 degrees less than the Mazda3. Oh, did I mention that this Honda has 113,000 miles on it and as far as I know the A/C has never been serviced!!? This was all between 1 and 2 AM this morning/last night. I will conduct an afternoon test as soon as possible to compare.

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