Can vibration due freezing mounts cause increased tear and wear of engine?
hello everyone,i'm new to the forum,i just got new 2017 cx5,not even 400km on it yet,its been really cold for last few days here in Montreal - 30 Celsius,i didn't have any issues so far with starting the engine ,but this morning the car clearly struggled a bit the battery is brand new as it came with the car,so im wondering if it could be an issue ,or simply the fact that the car is brand new and still tight,so it simply need breaking in,also it transmits lots of engine vibration to the cabin and steering wheel,and when on stop light the RPM goes sometimes from 800 to500.really weird.
Are you saying the RPMs drop from ~800 to 500 at a stop light?
Likely it’s the ac compressor cycling. The engine increases rpm to handle the load better. Mine idles from 750 to 500.
I work at a dealer in the northern USA, I don't want to say exactly where, but temperatures below 0F are common here. With all due respect, users from Texas and the UK would never see this kind of cold and have no idea what the Canadians are talking about.
This shudder (IMO, it's more than just a vibration) has nothing to do with ice or snow build up in the driveline or wheels. The best way I can describe it is it's like driving a car with a manual trans in too high of a gear; it's like you're lugging it to death. I took one out when it was -15F and it felt like the engine was about to drop out of the thing. The only remedy for this in the meanwhile is to manually shift the car down a gear when it starts to shudder.
From what I've been told Mazda USA hasn't given us much to work with so far. We've been told they think it's the liquid motor mounts (and from my experience, I believe that to be true.) I wouldn't be surprised if the fix would be an ECU update to raise the shift points when the car detects extremely cold temps. Much, much cheaper than replacing motor mounts.
If you have no issues on your othe vehicles in such cold temperature, then Mazda really should fix these issues as they must make mistakes either in design or choosing the wrong parts which cant handle such extreme temperature.I have to mention this is also the first car where I've seen the engine temperature drop in cold weather once the engine is warmed up. Sitting at a stop light for a few minutes in -25C weather and I watched the engine temperature drop by a several ticks.
Most manufacturers test in arctic and desert conditions.
Its probably very difficult to test all of these corner cases on a reasonable development schedule. I'm sure they'll make sure the 2019s don't have the same problem.
Driving around in -25 to me, sounds like driving during an earthquake, tornado, or flood. If it's that cold, I'm thinking survival rather than comfort. But for those who are used to that sort of weather, I guess it seems much different
Most manufacturers test in arctic and desert conditions.