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Old 22-10-11, 07:14 PM   #1
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Default 307 1.6 HDI fumes in interior

Hi, Just found your site and quickly registered'


307 Quicksilver1.6 HDI 2005 Climate Control

We are getting a smell of fumes when on tickover or travelling below 30mph.

Not there if you set interior to circulation.
Can be smelt outside the car.
The car is new to us but came with full service history.

Have checked oil level - was well over full, drained out over 1ltr to get to just under max.

Checked radiator (new unit July), hydrometer read between -20 & -40.

When warm temp is just under 90. (smell is evident from startup.)

Have seen mention on here of turbo seal. Have had a quick look, not really sure where they mean.

Could someone please describe where I am meant to be looking exactly.

Or point me to anything else I might try.

Thanks
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Old 22-10-11, 08:52 PM   #2
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Most Likley that you have a leaking injector seal.
Lift the Black plastic HDI cover off top of engine and look if their is any black congealed gue arouns one off the injectors, pour a little bit of suddy water around the injector bases and start engine and you will see bubbles comming from around leaking one. Injector will need to be removed and cleaned and 2mm copper washer at base replaced. These can be got from diesel specialist for 0.50~ 1.00. Best remove injector while hot as the Gue is soft then.If it is tight dose with WD40 and leave a few days dont force.
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Old 23-10-11, 03:08 PM   #3
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Thanks for the reply Rib.

Did what you suggested and sure enough, No3 as you look at the engine is really black and wet. Misses recognised the smell instantly!

Took a look at 307 SW 1.6 Hdi Injector Leak on the forum but am a little confused.
1. Do you have to disconnect all injectors?
2. Is it right that you turn each torx a couple of turns at a time to ease injector upwards?
3. Is it only copper washer you change
4. How do you bleed it once refitted?

Cheers
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Old 30-10-11, 03:13 PM   #4
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I have done this before on a volvo 1.6d which has the same engine. I just took the pipe off the injector and moved it out the way. the bolts that hold the injector down I just slackened. there is a plastic or rubber seal as well as the copper washer which was all burnt on mine so i replaced it as it was only 1.95!
Removing the carbon from where the injector sits was the hardest bit, i used a screwdriver and a vaccume cleaner. As for bleading the fuel, yours should have a hand primerpump that sits at rear of the rocker cover, volvos dont and are a total pain to prime.
Hope this helps
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Old 01-11-11, 08:46 AM   #5
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Thanks bongosworld

Unscrewed the injector loom bolts and got the loom out the way.

Noticed my 'black stuff' was like toffee.
Also, injector has obviously been replaced recently - shiny & clean.

Tried the two holding down bolts with an allen key, both were over one full turn loose.
Have tightened and will see how things go before trying to completely remove.

Primer? couldn't see one - where should I be looking??

Thanks
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Old 01-11-11, 09:18 AM   #6
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Quote:
Originally Posted by Bazzanjack View Post
Noticed my 'black stuff' was like toffee.
Its worth considering that this could be a melted cap from the plastic engine cover. I had one fall off and it melted into the same kind of thing.
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Old 03-11-11, 10:16 PM   #7
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Been away for a few days. if you are removing injector back off 14mm nut and clean around nipple so as no dirt gets into injector.. Primer is only for if engine run out of fuel. Reconnect injector after refitting and start as normal air will be purged automaticaly. Dont over tighten injector bolts as you can crack head
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Old 08-11-11, 07:48 PM   #8
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Solved

Was a rib said, leaky injector.

We were lucky, found injector bolts on no3 were loose.

Tightened them up and smell was gone within 15miles

Thanks to everyone who replied.
Would have been lost without this great site!
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Old 08-11-11, 08:20 PM   #9
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Quote:
Originally Posted by Bazzanjack View Post
Solved

Was a rib said, leaky injector.

We were lucky, found injector bolts on no3 were loose.

Tightened them up and smell was gone within 15miles

Thanks to everyone who replied.
Would have been lost without this great site!
Chances are it will eventually go again as the damage to the copper seal will have already been done, besides, the carbon sludge when it goes hard will make the injector stick in the sleeve and be an absolute bitch to get out, and that's something you don't want to have to deal with.

Phil
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Old 08-11-11, 08:48 PM   #10
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Wow!

GOOD point - hadn't thought about that

Thats what I mean about a great site.

Will follow your sound advice and sort it.

Cheers
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