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Lakshan Maduranga

The Mazda Demio Thread

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Hello Demio owners!

I'm looking to buy a Demio as my first car. I'm eying for a 2008 manufactured one. Most of them are close to 80k - 100k clocked.

  1. What sort of issues that I should be looking forward to spend my money as initial repairs?
  2. Any methods that I can check above issues?
  3. Is there a way to check if the gearbox is in good condition? (Kind of worried about this CVT maintenance issue - if the car has a CVT gearbox)
  4. I have checked 2 cars so far. Both have corrosion in top part of the body where the backdoor connects to the body. (Please see attached image). Is this something normal that I shouldn't worry and go ahead, so I can do a fix later or should I avoid this? Is this a common problem?XKze7Ce.jpg

Your help on this matter is highly appreciated.

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1 hour ago, irda said:

Hello Demio owners!

I'm looking to buy a Demio as my first car. I'm eying for a 2008 manufactured one. Most of them are close to 80k - 100k clocked.

  1. What sort of issues that I should be looking forward to spend my money as initial repairs?
  2. Any methods that I can check above issues?
  3. Is there a way to check if the gearbox is in good condition? (Kind of worried about this CVT maintenance issue - if the car has a CVT gearbox)
  4. I have checked 2 cars so far. Both have corrosion in top part of the body where the backdoor connects to the body. (Please see attached image). Is this something normal that I shouldn't worry and go ahead, so I can do a fix later or should I avoid this? Is this a common problem?

Your help on this matter is highly appreciated.

1 & 2. The Demio is known to develop power steering rack issues. Especially when continuously driven on rough roads. So take the car for a test drive and listen for rattles in the front suspension and vibration in the steering wheel as you go over rough surfaces. 

3. Service records! The CVT should be serviced every 40,000km. So check if the previous owner has done that. The CVT doesn't have any inherent issues on this model from my knowledge. The Demio my father uses is also CVT, and we've been servicing it (i.e CVT oil change) every 40,000km, and it runs pretty smooth. The CVT is more desirable over the conventional auto IMO because it drives better as well as economical.

4. Looks like surface rust to me and shouldn't be a problem. If the car is mechanically sound, this kind of small thing should not stop you from buying it. After you purchase the car, you can get that part repaired easily and repainted. 

Like any other car, ask for the emission test certificates and service records to make sure the mileage of the car tallies up with the dates and current mileage.

If you are willing to spend some money, you can submit the car to a place like CarChecks and get it professionally inspected for accident damage, oil leaks (should be easy to check yourself) and other mechanical issues.

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16 minutes ago, Davy said:

1 & 2. The Demio is known to develop power steering rack issues. Especially when continuously driven on rough roads. So take the car for a test drive and listen for rattles in the front suspension and vibration in the steering wheel as you go over rough surfaces. 

3. Service records! The CVT should be serviced every 40,000km. So check if the previous owner has done that. The CVT doesn't have any inherent issues on this model from my knowledge. The Demio my father uses is also CVT, and we've been servicing it (i.e CVT oil change) every 40,000km, and it runs pretty smooth. The CVT is more desirable over the conventional auto IMO because it drives better as well as economical.

4. Looks like surface rust to me and shouldn't be a problem. If the car is mechanically sound, this kind of small thing should not stop you from buying it. After you purchase the car, you can get that part repaired easily and repainted. 

Like any other car, ask for the emission test certificates and service records to make sure the mileage of the car tallies up with the dates and current mileage.

If you are willing to spend some money, you can submit the car to a place like CarChecks and get it professionally inspected for accident damage, oil leaks (should be easy to check yourself) and other mechanical issues.

Wow! That was fast. I never expected to someone reply this fast. This is really helpful.

Any idea if I have the issue with steering rack, how much will it cost?

And the next thing is, if we are to buy a car from out of Colombo, there is a possibility that these owners won't be willing to take them to a place like carchecks all the way. In that case, anyone with good knowledge (a good garage bass) can do the inspection?

Thanks again for the detailed reply.

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5 hours ago, irda said:

Wow! That was fast. I never expected to someone reply this fast. This is really helpful.

Any idea if I have the issue with steering rack, how much will it cost?

And the next thing is, if we are to buy a car from out of Colombo, there is a possibility that these owners won't be willing to take them to a place like carchecks all the way. In that case, anyone with good knowledge (a good garage bass) can do the inspection?

Thanks again for the detailed reply.

If the car is having any steering rack issues you can try dismantling and rebushing of the rack that will resolve about 90% of the issue. I have done for mine at mazna motors for 9k. But if the rack is far too gone you will have to replace the rack which will cost you about 75k. So check the current condition of the steering rack before buying

further I would suggest checking engine mounts.After all it is a 10 year old car. You can easily identify this by starting up the car and reving up a bit. if the upholstery is shaking excessively then most likely that engine mounts have gone really bad.

Edited by K.o.N.o.S

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I do not think demio's have rack issues. If you drive in bad roads it doesn't matter if its Toyota , Honda or any other you have to replace rack ends , ball joints and lower arm bushes during 60 .- 80k milage. It is normal for any car driven in SL , please correct me wrong. 

The rack issue story is a made up by Mazna as it is one of the most common  problems the cars have due to bad roads and it's no where to near replacing the whole rack , mostly replaceing the racks ends and related components will resolve the issue just like any other car in SL.

If you had to replace the whole steering rack , please post here as my Demio suspension / steering components has lasted longer than any other car I have used.

Edited by MaxFirst

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49 minutes ago, MaxFirst said:

I do not think demio's have rack issues. If you drive in bad roads it doesn't matter if its Toyota , Honda or any other you have to replace rack ends , ball joints and lower arm bushes during 60 .- 80k milage. It is normal for any car driven in SL , please correct me wrong. 

The rack issue story is a made up by Mazna as it is one of the most common  problems the cars have due to bad roads and it's no where to near replacing the whole rack , mostly replaceing the racks ends and related components will resolve the issue just like any other car in SL.

If you had to replace the whole steering rack , please post here as my Demio suspension / steering components has lasted longer than any other car I have used.

While it's true that bad road conditions contribute towards premature wear of suspension components in any car, the case with the Demio is a common issue. 

It's not an issue created by Mazna, because the issue first came on ours at around 50K km (car was used around Colombo and mostly on good roads) and was repaired by Colonial once by re-bushing the rack. The issue re-surfaced again after a few thousand kilometres and was repaired properly by Mazna. The car has been driven close to 40K km now and it has not come again. If the issue isn't addressed early, the only solution is to replace the rack.

There are several members on the forum who have confirmed that they have had the issue. Read up old posts on this thread and elsewhere on the forum. 

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7 minutes ago, Davy said:

While it's true that bad road conditions contribute towards premature wear of suspension components in any car, the case with the Demio is a common issue. 

It's not an issue created by Mazna, because the issue first came on ours at around 50K km (car was used around Colombo and mostly on good roads) and was repaired by Colonial once by re-bushing the rack. The issue re-surfaced again after a few thousand kilometres and was repaired properly by Mazna. The car has been driven close to 40K km now and it has not come again. If the issue isn't addressed early, the only solution is to replace the rack.

There are several members on the forum who have confirmed that they have had the issue. Read up old posts on this thread and elsewhere on the forum. 

Hey Davy , Don't you think replacing bushing is normal for any car , as most of the bushes available here are Thailand  bushes.  I replaced mine at 68k and currently at little over 100k so far not encountered any issues. That's why I do think think this is not a Demio related issue. 

Of course I am comparing with my precious car which is a Honda ES series which needed whole rack replaced twice.

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2 hours ago, Davy said:

While it's true that bad road conditions contribute towards premature wear of suspension components in any car, the case with the Demio is a common issue. 

It's not an issue created by Mazna, because the issue first came on ours at around 50K km (car was used around Colombo and mostly on good roads) and was repaired by Colonial once by re-bushing the rack. The issue re-surfaced again after a few thousand kilometres and was repaired properly by Mazna. The car has been driven close to 40K km now and it has not come again. If the issue isn't addressed early, the only solution is to replace the rack.

There are several members on the forum who have confirmed that they have had the issue. Read up old posts on this thread and elsewhere on the forum. 

Davy I am with you on this one. I think the issue accurs around 40-50k of mileage.Mine was 75k when I bought the car and luckily I did not have to replace the rack. A properly done re-bushing resolved most of the vibrations ( hats off to mazna for a job well done) Better to address the issue before it becomes worse.

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9 hours ago, MaxFirst said:

Hey Davy , Don't you think replacing bushing is normal for any car , as most of the bushes available here are Thailand  bushes.  I replaced mine at 68k and currently at little over 100k so far not encountered any issues. That's why I do think think this is not a Demio related issue. 

Of course I am comparing with my precious car which is a Honda ES series which needed whole rack replaced twice.

We're not talking about suspension bushes here mate. Excessive play in the steering rack is repaired by machining metal bushes (in a lathe) and fixing them in the rack. This can only be done if the play is minimal as the rack cannot be machined too much. So if you delay the repair, you'd end up having to replace it.

Even with the issue, the car drives normally and without any rattles on smooth asphalt roads. But as soon as you get to an unpaved or roughly paved road, you feel a (very slight) vibration through the steering with a rattle. Faint at first and slowly getting worse. This was my experience and I know many others who had the same issue.

What model year is yours by the way? 

Edited by Davy
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Thanks a lot for everyones valuable input. Now I'm thinking of keeping extra 50k-75k in case of emergency.

Time to find a good specimen then ;)

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8 hours ago, Davy said:

We're not talking about suspension bushes here mate. Excessive play in the steering rack is repaired by machining metal bushes (in a lathe) and fixing them in the rack. This can only be done if the play is minimal as the rack cannot be machined too much. So if you delay the repair, you'd end up having to replace it.

Even with the issue, the car drives normally and without any rattles on smooth asphalt roads. But as soon as you get to an unpaved or roughly paved road, you feel a (very slight) vibration through the steering with a rattle. Faint at first and slowly getting worse. This was my experience and I know many others who had the same issue.

What model year is yours by the way? 

Hey Davy ,

Thanks for the information . Luckily I haven't touched my steering components yet. 

Car is a 2008 one with 100k on the ODO. Will be vigilant about this issue.

 

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OK. Checked 4th vehicle. All 4 vehicle I checked had the same issue. Is it something common? Getting really worried. Because the car seems in a great mechanical condition. Is this something repairable?

 

5HUyzdH.jpg

 

J61kPM0.jpg

 

cQDi8Ww.jpg

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1 hour ago, irda said:

OK. Checked 4th vehicle. All 4 vehicle I checked had the same issue. Is it something common? Getting really worried. Because the car seems in a great mechanical condition. Is this something repairable?

Mate, don't worry about trivial issues like this. Sri Lanka is a hot and humid country, so a bit of surface rust on a bolt is not going to destroy the car. 

The bits of rust in the tailgate area can be easily repaired. Just sand down and apply some touch up paint. That's it. 

You should focus on making sure if there are no signs of accidents, improper maintenance or mechanical issues that might force you to spend big bucks. 

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1 hour ago, irda said:

OK. Checked 4th vehicle. All 4 vehicle I checked had the same issue. Is it something common? Getting really worried. Because the car seems in a great mechanical condition. Is this something repairable?

 

5HUyzdH.jpg

 

J61kPM0.jpg

 

cQDi8Ww.jpg

As Davy has mentioned this is not a serious issue at all.My understanding is that when washing or exposed to rain the water enters inside which creates moisture inside and overtime it forms rust on bare metal surfaces.Usually we tend to concentrate only on wiping the exterior of the vehicle but not the inside.

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35 minutes ago, Davy said:

Mate, don't worry about trivial issues like this. Sri Lanka is a hot and humid country, so a bit of surface rust on a bolt is not going to destroy the car. 

The bits of rust in the tailgate area can be easily repaired. Just sand down and apply some touch up paint. That's it. 

You should focus on making sure if there are no signs of accidents, improper maintenance or mechanical issues that might force you to spend big bucks. 

 

20 minutes ago, K.o.N.o.S said:

As Davy has mentioned this is not a serious issue at all.My understanding is that when washing or exposed to rain the water enters inside which creates moisture inside and overtime it forms rust on bare metal surfaces.Usually we tend to concentrate only on wiping the exterior of the vehicle but not the inside.

Hey, Thanks again for the comforting words. This being my first car, I'm really concerned over this. I have no prior experience over this sort of issues.

Anyway, I'll be putting this to c*rchecks and getting a report. So if all checks out, hopefully I can get the deal done by this week :)

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