All New 2017 Mazda 3

**ValHallen** · February 20th, 2018 02:39 PM

Originally Posted by jojopad

Latest update from a Mown3r of a 2017 Mazda3 Speed HB. The most glaring issue is with the Motolite replacement EFB acid leakage. Quick tip: always do a weekly checkup on battery leaks!

Overall the Mown3r seems to be happy with the M3's engine performance and fuel efficiency.

The article also mentioned about the "visible" engine hood insulation that can be bought separately:

217 Mazda3 Speed: Long Term Test Update # 4 | Philippine Car News, Car Reviews, and Prices | ************

Best part of the article for me - "Out of Pocket Expense: NONE".

I'm interested in an engine hood insulation for the 2018 Mazda 3 R.

**dr_pido** · February 20th, 2018 08:10 PM

Originally Posted by jojopad

Latest update from a Mown3r of a 2017 Mazda3 Speed HB. The most glaring issue is with the Motolite replacement EFB acid leakage. Quick tip: always do a weekly checkup on battery leaks!

Overall the Mown3r seems to be happy with the M3's engine performance and fuel efficiency.

The article also mentioned about the "visible" engine hood insulation that can be bought separately:

217 Mazda3 Speed: Long Term Test Update # 4 | Philippine Car News, Car Reviews, and Prices | ************

Sadly my mazda 3 has 2 major issues.
One is the suspension. Lately been hearing knocking sounds when going through humps or uneven pavement.
Another is the incomplete folding/unfolding of both Left and right side mirror.
As evidenced by the videos...

https://youtu.be/gtR5ExNvtTg

https://youtu.be/XwkSHCjb9Ps

**jojopad** · February 20th, 2018 09:28 PM

Originally Posted by dr_pido

Sadly my mazda 3 has 2 major issues.
One is the suspension. Lately been hearing knocking sounds when going through humps or uneven pavement.
Another is the incomplete folding/unfolding of both Left and right side mirror.
As evidenced by the videos...

I occasionally hear a slight knock sound when going through some speed bumps especially those steep ones. I'm planning to have this checked on my next 6 month pms. On bumpy and uneven roads, so far I don't hear this noise. I've driven my M3 for about 1500km so far.

As for your M3's folded side mirror, that's indeed an issue. That should be covered by Yojin warranty afaik.

**travajante** · February 20th, 2018 09:41 PM

Originally Posted by jojopad

I occasionally hear a slight knock sound when going through some speed bumps especially those steep ones. I'm planning to have this checked on my next 6 month pms. On bumpy and uneven roads, so far I don't hear this noise. I've driven my M3 for about 1500km so far.

As for your M3's folded side mirror, that's indeed an issue. That should be covered by Yojin warranty afaik.

Mazda uses high durometer rigid strutmounts in pursuit of a more direct road feel. Random noises can be its side effect. Good thing, suspension noises aren't difficult to hunt down.[emoji4]

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**timneutron** · February 20th, 2018 10:50 PM

Originally Posted by dr_pido

Sadly my mazda 3 has 2 major issues.
One is the suspension. Lately been hearing knocking sounds when going through humps or uneven pavement.
Another is the incomplete folding/unfolding of both Left and right side mirror.
As evidenced by the videos...

Mazda 3 2017 suspension issue - YouTube

Mazda 3 side mirror issue - YouTube

For your sidemirrors these should still be under warranty - experienced a warranty claim with our M6 no questions asked

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**E@tpc** · February 21st, 2018 01:38 AM

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**Baby Shark** · February 21st, 2018 04:45 AM

Noob question, is it safe to wash 2018 m3 engine? I mean do I need to cover something?

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**travajante** · February 21st, 2018 06:53 AM

Originally Posted by Baby Shark

Noob question, is it safe to wash 2018 m3 engine? I mean do I need to cover something?

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The engine can generally tolerate washes, but I never do that. Dust does less harm than water here.[emoji4]
If you really have to, cover the intake, the alternator(it's open. Some internal parts can corrode) & the ECU(though sealed, don't take chances). Dry everything up w/ compressed air after.
Best approach is to regularly detail the engine w/o washing.

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**Walter** · February 21st, 2018 07:10 AM

Avoid engine wash ... will cost more if something gets fried ...

**jojopad** · February 21st, 2018 07:26 AM

Originally Posted by travajante

The engine can generally tolerate washes, but I never do that. Dust does less harm than water here.[emoji4]
If you really have to, cover the intake, the alternator(it's open. Some internal parts can corrode) & the ECU(though sealed, don't take chances). Dry everything up w/ compressed air after.
Best approach is to regularly detail the engine w/o washing.

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We just use an air blower to blow out the dusty areas, and just use a used cloth to wipe off the dirty areas.