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106 1.5 D Cold Start Problems

Hi Folks,

This problem has been with me for a few years now, i have never got to the bottom of it. It has been into the garage but as i`ll explain once started the car runs fine for the day.

In the summer it runs fine. Its an M reg and has done 50k miles.

In the morning, when cold and damp the engine wont start it turns over and white smoke comes out of the exhaust. Eventually it starts and then will run fine for the day.

In Dec 04 i replaced the glows plugs and the voltage over them is fine, so i am assuming that isnt the problem, at the same time i replaced the Heat Relay box as well in case that had gone.

Now does anyone have any ideas, several suggestions have been made:

  1. Fuel dropping back down into fuel tank do to poor seals? (Solution prime the bulb until hard then start)

  1. Valve clearence is to small, and when cold it hinders the start. Due to poor compression and worn pistons.

  2. Glow Plugs, one report suggested that glow plugs can wear far quicker and it may well be them especially if they were cheap ones.

  1. Fuel pick filter blocked.

It has been into a garage before about this but they haven`t found a problem becuase the car always starts as i pointed out above.

Can anyone point me in the right direction?

Thanks

Reply to
James Grove
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I had this problem with my xantia, I never solved it either however. I did find that if I turned the ignition on, waited for the light yellow pigtail to go out, then turned the igntion off, then turned it on again starting as normal after the pigtail light went out it started fine.

I found this prblem got worse as the age of the car progressed.

Regards G.

Reply to
G Cadman

Have you checked the valve clearances?

I had exactly the same problem, which was cured by adjusting the valve clearances, as they were too small. I was always brought up on the fact that clearances reduced as things get hotter, but on the 1.5D this does not happen. At least check the valves, as this is an easy thing to do. I then took out the shim peices, which are on the top of the valve covers, and ground them down a bit on a sharpening stone. Selectively, of course.

Reply to
Brian

Hi James,

Do you have an old battery or a new one - my 306 t/d was exactly the same. I've just put in a new battery - it now starts first time and no more smoke shooting out the exhaust.

Hope this helps.

Regards

Mark

James Grove wrote:

Reply to
Mark

In article , Brian writes

This was my experience as well - 1.5D with about 50K on the clock, it started being very difficult to start in winter but was better in the summer - though never 100%.

I did the lazy thing - having decided it was probably this following testing/replacing all the obvious stuff like the heaters, and the battery (by coincidence - the original died), I took it to a local Pug specialist and asked them to check it. They reshimmed the valves, at a cost of a bit over £100 (IIRC - it was about three years ago).

Matt

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Reply to
Matthew Haigh

Hi Brian, i am no mechanic, but i have done everthing else, this morning i tried to prime the fuel system using the runner bulb to see if the fuel had drained back, nope it was fine, tried the leave ignition on until heater relay clicks out (not when light goes out) and that didnt work.

So i turned the key and left it turning over, white smoke out of the exhaust and eventually it fired (20secs)

Does this sound like the valve clearences? (this is now what i think it is, as there is no compression in the engine, and i think the fuel eventually seals it?) so it will fire.

Please let me know and i`ll tell the mechanic when he services it, as i dont want to remove any bits of the engine!

Thanks

Reply to
James Grove

A pound to a penny it is the valve clearances.

Reply to
Brian

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