G'day - new 406 owner
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Thread: G'day - new 406 owner

  1. #1
    Tadpole
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    Default G'day - new 406 owner

    G'day.
    Thought I'd say hi, and do a quick intro.
    Just bought a 1999 406 diesel (manual) with reasonable ks to have a break from the cold (otherwise, I commute on motorcycle, and live near Canberra). I've owned a fair few bikes and cars, but this is my first Frenchy.

    Anyway, quick coupla questions:
    1. How do I work out what engine the car's running? I read that it changed near the build date (I think its build is Jun '99)?

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    2. There's a bit of oil(?) leaking all over the lower part of the intercooler, and the fins are proper clogged. Any hints to clean this out? Tried a tooth brush, and made it worse; just jammed all the gunk inside the fins!

    Cheers, Slob

  2. #2
    Fellow Frogger!
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    If you don't know exactly what you're looking at grab your VIN code. The engine type is encoded into the VIN with:
    PC8, XUD11BTE, mechanical injection
    RHZ, DW10ATED, HDi electronic injection
    406 HDi

  3. #3
    1000+ Posts Beano's Avatar
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    I'm not sure how intercoolers are set up, but tentatively I would suggest degreaser, then a good hose though. Then repeat.

    Brake cleaner works well too, and doesan't need to be hosed off. It evaporates quite fast and is non-toxic to breathe in.....unlike barby cleaner

  4. #4
    Tadpole
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    Quote Originally Posted by hypermiler View Post
    If you don't know exactly what you're looking at grab your VIN code. The engine type is encoded into the VIN with:
    PC8, XUD11BTE, mechanical injection
    RHZ, DW10ATED, HDi electronic injection
    Thanks - will look tonight.

    Also, will try brake cleaner - is there anything (other than brakes) I need to keep it clear of?

    Tks

  5. #5
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    Brake cleaner is quite OK on most things because it's designed to not affect brake rubbers, but some plastics might be affected with a whitish haze.


    2003 PEUGEOT 206 GTi

  6. #6
    Fellow Frogger! 505604's Avatar
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    Quote Originally Posted by turboslob View Post
    G'day.
    Thought I'd say hi, and do a quick intro.
    Just bought a 1999 406 diesel (manual) with reasonable ks to have a break from the cold (otherwise, I commute on motorcycle, and live near Canberra). I've owned a fair few bikes and cars, but this is my first Frenchy.

    Cheers, Slob
    Welcome to the club!

    My 1999 406 diesel manual with many ks is a great car to own and drive. I've owned mine since October 2008, and have added some 300,000kms to the clock. When I was researching mine, I had a choice of two cars and a fellow owner on Aussiefrogs sent me a message warning me that I'd be "looking for excuses to drive the car rather than driving it only when needed." He was correct. I just love driving it, and I hope that you enjoy yours just as much as I do mine.

    Cheers,
    Andrew
    Current cars: Peugeot 307 HDi Touring; Peugeot 306 Cabriolet; Peugeot 406 HDi, Peugeot 505 Familiale
    Previous cars: Peugeot 404;
    Renault 16TS;
    Peugeot 504 1800;
    Peugeot 504 GL;
    Peugeot 504 LTI;
    Peugeot 505 Familiale;
    Peugeot 604 (converted to TD)
    Peugeot 306 Cabriolet

  7. #7
    sans witticism SLC206's Avatar
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    Hi Slob,

    Welcome to
    Regards,

    Simon

    2018 308 GTi 2011 DS3 DSport
    ----
    2014 208 GTi 2007 207 GTi 2004 206 GTi180 2000 206 GTi 1995 306 XT

    www.peugeotclub.asn.au

  8. #8
    Tadpole
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    Thanks, all.

    Probably the most controversial question to ask, so you can guess it's about oil. The rig's above 350k, and I'm going to change the oil as there's no history. I have some full syn 5-30/40 knocking about that says it's suitable for 'light duty diesel' (I've used it in petrol cars and bikes previously). Thoughts? I don't have a manual, and don't even know what viscosity it's supposed to have.
    I'm assuming it won't be an issue, given I've used diesel oil in petrol bikes before - surely oils are generally oils. Just the viscosity recommendation would assist, and I'll run the gauntlet on the oil, unless a 'don't do it!!!!!' response comes through.

  9. #9
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    The engine oil relates back to your original question, its different depending on which engine you have!
    406 HDi

  10. #10
    Tadpole
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    Sorry, I think I'm a latter '99 - so the 'HDI one!

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    For an HDI engine with a particle filter - yours may be too early - low ash C2 grade is critical, no ifs, no buts. For other cars it's recommended and still a good idea as it reduces fouling of the EGR system. Penrite have it.

  12. #12
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    No particle filters in Australian delivered 406's they never met euro 5 emissions, only the 2.2 HDi had one that early on.
    5W30 is suitable
    406 HDi

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    No 406s did they just hit Euro 4 at the end and only in the direct injection petrol and one of the diesels
    I would be looking at a 10/30 at that mileage

  14. #14
    Tadpole
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    G'day again.

    This morning, the check engine light showed itself. Of interest, it seems to have reduced the turbo's pressure and there's a significant lack of power above 2000rpms.

    Anyone in the brains trust know what I should be looking for to rectify? Ran fine yesterday, now the light.

    Cheers and thanks, Slob.

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    Fellow Frogger! dmccurtayne's Avatar
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    Try disconnecting the maf sensor they are pretty standard also vacuum pipes going to egr turbo and control valves also common less common injector wiring shortages and split turbo pipes


    Fix it right the first time
    turboslob likes this.

  16. #16
    Fellow Frogger! Ren25's Avatar
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    There's a whole bunch of things that can cause a check engine light & limp mode.
    We have 3 406hdi and have had all of them do this at some stage.
    One was the egr valve
    One was a split turbo hose (THAT was a bastard to find!)
    One was a broken vacuum hose to the control valves on the firewall.
    Armageddon was yesterday
    Today we have a problem


    2000 406 Hdi X 3
    2003 307 Hdi

  17. #17
    Tadpole
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    So, I thought I'd found out what ceased the 'check engine' light, but this is a new one (for the record, what was causing the light initially was 'overrun' when switching it off - I listen to podcasts and switched off super slow as if I turned it too far the audio would pause; thus the ignition was on/off for a moment which, next time I started, would cause the light).

    This one was a new one. Long uphill, I'm in top gear ~90km/h/1750rpm close to full throttle when towards the end of the hill light switches on and lack of boost. Everyone overtakes.

    Driving 300+k trip this week planned; what should I look for? Is there anything which is more likely during high boost?

    Thanks, Slob.

  18. #18
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    Fuel starvation? My Xantia CT Turbo used to actually cut out under load - in that case there was never any fault light, and it would restart and run fine, until the next time.

    Eventually found that the in-tank fuel strainer was clogged just enough to reduce maximum fuel flow, which is why symptoms generally only occurred on long hills (or of course passing B-doubles etc. ). Replacing the in-line fuel filter did nothing - the problem was a sludge that apparently didn't get through the in-tank strainer.

    Well that's my worth - no doubt a dozen actual 406 diesel owners will leap in with far more plausible theories .

    Cheers

    Alec

  19. #19
    Tadpole
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    Could be it, Alec, though I wouldn't want to start with pulling the tank!
    Tried removing battery terminal for about an hour today, reinstalled and it's still showing 'engine light'. What's the cost for the program and plug-in to diagnose codes?
    Don't let me get annoyed and buy a Corolla!
    Cheers, Slob.

    Edit: also, what's the trick to removing the MAF plug? Do I just pull harder, or is there a catch somewhere? Tks
    Last edited by turboslob; 18th December 2018 at 06:24 PM.

  20. #20
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    No need to remove tank to check in-tank filter (I am assuming it has an in-tank fuel pump) - Peugeot design is better than that . You lift the base of the back seat, under which (on the driver's side) there is a removable inspection port. Looking down through this port, you should find wiring and fuel hoses going into the top of the fuel pump, which sits flush with the top of the tank.

    The fuel pump is held down into the tank by a locking ring. Unplug the wiring and the hose(s), unscrew the locking ring (sometimes they jam) and you should be able to lift the fuel pump/gauge sender unit out and inspect and clean at your leisure!

    Cheers

    Alec

    PS - probably easier to try a new fuel filter first!

  21. #21
    1000+ Posts Beano's Avatar
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    With my petrol 206, I undid the large locking ring and couldn't get it back on. It seems that this is a common problem....the threaded section of tank goes out of round. Had to take out the tank, but still couldn't get it to screw back on to the extent that it would seal.....there are matching marks that need to be lined up.
    Put it back and it leaked fumes. Took it out again and took it to a Peugeot mechanic who had the correct tool to grab onto the locking ring, and got it done up really close to the matching marks. Luckily it finally sealed....the petrol fumes were killing me whilst removing and re-fitting.
    A prick of a job.

  22. #22
    Fellow Frogger! dmccurtayne's Avatar
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    406s donít always have a hole big enough fit the sender out pls donít cut it also itís only really 206s that are hard to refit as a rule


    Garage C5 X7 3008 XTE
    Gone but not forgotten 206 GTI 180 306 XR SED 405 MI16 x2 xzara VTS 406 SV 206 XT Berlingo 2011 (best car ever) 306 HDI 307 XSE HDI touring
    Fix it right the first time

  23. #23
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    At the last service my Pug specialist reported a slight weep from the fuel pump ring seal on my 406 hdi. To fix it he said that it was easier to do some surgery on the floor under the seat than drop the tank.
    Stephen
    '03 P406 HDI
    '16 Renault Master

  24. #24
    Fellow Frogger! dmccurtayne's Avatar
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    Itís lazy and hamfisted to cut the floor up especially on a customers car


    Garage C5 X7 3008 XTE
    Gone but not forgotten 206 GTI 180 306 XR SED 405 MI16 x2 xzara VTS 406 SV 206 XT Berlingo 2011 (best car ever) 306 HDI 307 XSE HDI touring
    Fix it right the first time

  25. #25
    1000+ Posts Beano's Avatar
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    He probably once had a bad experience once with a petrol 206 ! Really....it was a bugger of a job...

    Great car though....VERY nippy. I simply couldn't help but fang it around a bit, and got a speeding fine rather promptly after I bought it.

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