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Happy new year folks.
My 53 plate 1.9d has developed a bad stertig problem,i had new glow plugs fitted along with a new heavy duty battery and new diesel filter.on a morning when its quite mild it will start but idles lumpy,tod when it was below zero it took a good 5 mins of turning over before it fired up.A mechanic said he compression tested it and two cylinders were low on compression,he reckons its got sticking valves but once its started it runs like a dream.i am beginning to wonder if he did fit new glo plugs etc...anybody got any ideas please,
Thanks in advance,Alan.
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You need to get the valve clearances checked as the exhaust valves tend to close up on high mileage motors. Hard to start from cold but once warmed up they run fine.
Are we there yet?????
Ex 1.6hdi van now 3 seater 1.4 multispace
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• Alantjs
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The valve seat's ware on hight mileage so they slowly get closer to the cam and don't shut properly lead to bad starting .
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what glow plugs did your mechanic fit? I ask because i am constantly coming across the problem of spurious glow plugs! Did he fit Beru glow plugs and if so where did he get them from?
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• Alantjs
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Tight valves will give low compression
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• Alantjs
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You are best to buy Bosh or Beru from somewhere like GSF then you know they are genuine and not some copy which i have seen.
I have had vehicles in where the glow plugs have been replace by quality ebay stock and the vehicle still smuggled to start when i removed the glow plugs ive had 1 out of 4 working. I have also seen slow heat up times and glow plugs that just do not get hot enough - yes they work but they get red hot as appose to white hot, it makes a massive difference.
If you stick to the ones i have said above from a reputable dealer you wont go wrong.
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• Alantjs