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Thread: Peugeot 406

  1. #1
    Join Date
    Nov 2008
    Location
    melbourne
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    1

    Peugeot 406

    Does anyone know of any potential problems in running a Peugeot 406 on biodiesel? There's one for sale that I'm keen on, but I want to be sure I can run it on bd before I purchase.
    Thanks for any tips or advice.

  2. #2
    Join Date
    Nov 2005
    Location
    Tasmania
    Posts
    538

    Re: Peugeot 406

    I've never owned a Peugot, but know someone in NSW that does and there have been at least two people on this forum that run them on BD or WVO with no complaints. The quality of the fuel and the early teething troubles associated with gunk seem to be the only things to worry about. I'd love to get a Peugot diesel car, but they are very scarce here in Tas and expensive.

  3. #3
    Join Date
    Oct 2005
    Location
    Dubbo
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    209

    Smile Re: Peugeot 406

    Hi, My wife left central west NSW last Tuesday to travel to the North Coast in a Peugeot 406. She had a full tank of Bio and 95 litres in the boot, she has arrived home today after travelling 2226 klm's with a 1/3 of a tank and didn't have any problems.
    Regards Westwinds

  4. #4

    Re: Peugeot 406

    Quote Originally Posted by sarah g a View Post
    Does anyone know of any potential problems in running a Peugeot 406 on biodiesel? There's one for sale that I'm keen on, but I want to be sure I can run it on bd before I purchase.
    Thanks for any tips or advice.
    The engine should run fine but you may run into material incompatibility issues in the long run - nothing major but it will mean replacing o-rings & seals in various locations. Of course you will need to replace the fuel filter if it has been running on dino-diesel for a long time prior to using B100.

    A user here (Matt) has a lot of experience with a Peugeot ?307 and B100. the seals within the high pressure pump (non-synthetic rubber) gave up the ghost after 60,000km I think from memory - search the forums and you'll find the info you need.

    Everything else should be fine. You may need to watch for reverse blow-by (fuel dilution of the oil) if the car has an particulate filter which uses the post-injection technique to burn off the soot.

    I am running two BMW 120d (2007 model & a 2008 model) on B100 and they both now have 26,000km on the clock. The only problem I've noticed so far is the dilution of the oil (from the DPF) by the B100 but that is easily fixed - change the oil!

    Everything else is fine and I have a blog with my progress.

    Cheers,

    Paul
    Two BMW 120d (April 2007 & June 2008)
    Both running B100 (from WVO) since new
    26,000km & 27,000km @ 3/4/09 and going strong! :)
    web.mac.com/nitramluap/Biodiesel

  5. #5
    Join Date
    Oct 2006
    Location
    NSW
    Posts
    30

    Re: Peugeot 406

    Quote Originally Posted by sarah g a View Post
    Does anyone know of any potential problems in running a Peugeot 406 on biodiesel? There's one for sale that I'm keen on, but I want to be sure I can run it on bd before I purchase.
    Thanks for any tips or advice.
    Sure - great car. I have a 2002 HDi wagon, which I purchased after asking around here and elsewhere about them. For the money I wanted to spend, it was the only manual wagon I could find that wasn't a 4wd, and as a bonus it has 7 seats!

    General consensus for all HDi motors seemed to be that there will no problems on bio for a year or two, and then you can expect that some rubber parts within the engine may need replacing.

    Since mine had already done 146k before I got it, and because of the above, I'm not running B100 in it to start with - more like B50-80. I will slowly increase this, also when I find a decent local diesel mechanic who I trust to work on any issues at sensible prices.

    But there are no running problems that we have encountered thus far. We've just returned from 5000km road-trip, where we averaged 6.0 l/100km with a full boot and a mix of 110 on the open roads and around cities.

    Not as good as my Polo, but then I could almost fit the Polo in the boot of the 406

    Good luck, if you can find a good example I say go for it (we got ours checked out by a mechanic before purchasing, he found some issues we haggled the price down with).
    Moved from bio to Electrons - Nissan Leaf

  6. #6
    Join Date
    Oct 2006
    Location
    NSW
    Posts
    30

    Re: Peugeot 406

    Quote Originally Posted by Alga View Post
    I've never owned a Peugot, but know someone in NSW that does and there have been at least two people on this forum that run them on BD or WVO with no complaints. The quality of the fuel and the early teething troubles associated with gunk seem to be the only things to worry about. I'd love to get a Peugot diesel car, but they are very scarce here in Tas and expensive.
    Funny - the only other 406 wagon I was considering looking at was in Tasmania, I nearly came to down to see it! Ended up getting mine from Dubbo.

    As for expensive, that's relative. More than ubiquitous bloated 4wds, yes, but the running costs will pay that off rather quickly if you don't actually need a 4wd.
    Until about 2006, there were very few other affordable diesel passenger cars in Oz, so unless your budget stretches over $20k Peugeots are the best way to go IMHO.
    Moved from bio to Electrons - Nissan Leaf

  7. #7
    Join Date
    May 2008
    Location
    sydney nsw
    Posts
    43

    Re: Peugeot 406

    I have a 406 running on Bio. It is a 1998 SRDT. I changed to an earlier injection pump (bosch) from the standard Lucas peice of S___t......Absolutely no good on Bio, and $4500 to rebuild here in Australia. The pump change was done in Melbourne. Morassi and Williams, Williamstown.They said a Pajero pump would work too.
    Google Diesel Bob in the UK for info on which pumps are ok on Bio. There is a thread in this forum somewhere for converting these cars the way i did.
    Last edited by CARL BRUCE; 5th April 2009 at 07:38 AM.

  8. #8
    Join Date
    Oct 2006
    Location
    NSW
    Posts
    30

    Re: Peugeot 406

    Quote Originally Posted by CARL BRUCE View Post
    I have a 406 running on Bio. It is a 1998 SRDT. I changed to an earlier injection pump (bosch) from the standard Lucas peice of S___t......Absolutely no good on Bio, and $4500 to rebuild here in Australia. The pump change was done in Melbourne. Morassi and Williams, Williamstown.They said a Pajero pump would work too.
    Google Diesel Bob in the UK for info on which pumps are ok on Bio. There is a thread in this forum somewhere for converting these cars the way i did.
    Well thanks for your edit, because the explicit comment that we have NO (uppercase) knowledge of 406s was rather harsh.
    I asked around this forum (where else in the world would I expect to find the required info?) and was told that HDis are fine for a couple of years, then I can expect to replace various rubber. This info came from Matt and others.
    My comments only really apply to HDis, which is why I explicitly said both that and the year in my post.
    Moved from bio to Electrons - Nissan Leaf

  9. #9

    Re: Peugeot 406

    Quote Originally Posted by reverb View Post
    Well thanks for your edit, because the explicit comment that we have NO (uppercase) knowledge of 406s was rather harsh.
    I asked around this forum (where else in the world would I expect to find the required info?) and was told that HDis are fine for a couple of years, then I can expect to replace various rubber. This info came from Matt and others.
    My comments only really apply to HDis, which is why I explicitly said both that and the year in my post.
    Likewise.

    I know Matt personally although have not seen him for some time but I have spoken to him at length about material incompatibility issues with his HDi 307. The factory fitted *Bosch* high pressure pump (for the common rail) had natural rubber internal o-rings which gave up the ghost at about 60,000km.

    My BMWs also have Bosch high pressure pumps, hence my interest. Our cars o-rings everywhere else appear to be synthetic (I'm testing them all in little glass jars with biodiesel, etc) but I don't know about o-rings *inside* components supplied by third party companies (eg. Bosch).

    As our cars also have a diesel particulate filter (DPF), and it uses the 'post injection technique' (as most do now), I'm seeing some B100 get into the engine oil, diluting it a little. No big deal but worth mentioning.

    Regards,

    Paul
    Two BMW 120d (April 2007 & June 2008)
    Both running B100 (from WVO) since new
    26,000km & 27,000km @ 3/4/09 and going strong! :)
    web.mac.com/nitramluap/Biodiesel

  10. #10
    Join Date
    May 2008
    Location
    sydney nsw
    Posts
    43

    Re: Peugeot 406

    Hi Paul and Reverb
    If you read the other posts you might have sensed where i got my (edited) thoughts from....wishfull thinking and anecdotal evidence, not experience or knowledge. I would'nt want anyones bying decisions based on them. Plenty of 'go for its' in this forum, but encouragement is not fact.

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