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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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S40 2.0D Throttle Body Cleaning GuideViews : 80105 Replies : 132Users Viewing This Thread : |
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Jul 11th, 2012, 15:52 | #11 |
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Think I am going to give this a go tonight?!
What carb cleaner did you guys use? Also, been told you have to careful to use carb cleaner if used incorrectly can cause the engine to over-rev? Tell me if I've got it all wrong! Cheers! |
Jul 11th, 2012, 16:48 | #12 |
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I use any old carb cleaner that I buy from the local car parts shop. Says carb cleaner on the can, good enough for me. Over revving, never had that problem. You will need plenty of rag and a good dosing of the carb cleaner.
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Jul 11th, 2012, 16:50 | #13 |
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Good guide. This thread needs to be made a sticky
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Jul 12th, 2012, 10:51 | #14 | |
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Quote:
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Jul 13th, 2012, 02:24 | #15 |
08 Volvo S40 SE Sport R-D
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Volvo S40 SE Sport R-Design + Winter Pack |
Jul 15th, 2012, 00:59 | #16 |
08 Volvo S40 SE Sport R-D
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Right little confused now. Past few weeks the starting issue had gone and there was no let off or air pressure about 5 seconds after the engine was turned off.
Today I took the TB off and cleaned as done so in the guide. Started first time with a tap noise for like half a second if that at all. Every other start was fine, just thinking it was the carb cleaner being sprayed into the inlet that's caused it. But now after a few starts I'm getting similar problems, it goes to start and struggles to keep idle and dies off but like the issue starting but just a little inbetween running and not starting. Also the 'farting' noise is back. So cant see that its solved the problem or do I have another problem else where? Could it be glow plugs? What's the life of these things as my car has done 90k now.... I did how ever find the instant reading is more realistic now and the car picks up more just tickling the accelerator (not all bad news I guess)
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Volvo S40 SE Sport R-Design + Winter Pack Last edited by VenomS40; Jul 15th, 2012 at 01:03. |
Jul 15th, 2012, 11:55 | #17 |
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Think the torx size is T27 but hopefully someone will correct me if i'm wrong. I had that strange starting issue yesterday too Venom, turned ignition but engine wouldn't really come to life, basically wouldn't rev? Switched off and restarted and was fine. I Put a dose of redex in with a full tank recently and am reaching the red on the gauge and thought it may have been that which may have caused it? I have recently seen a thread about not putting any additives or cleaners in as they don't like it or maybe its got damp somewhere cos of this crappy weather!
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2005 V50 2.0 SE Sport 1999 S40 1.8 Gdi 1993 460 1.7 LX |
Jul 15th, 2012, 22:18 | #18 |
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Whipped off the throttle body today - needed no cleaning whatsoever..! (I have the 2 branch version)
...So ventured further towards the combustion process & took off the inlet manifold... Absolutely awful! Could pull carbon out on my finger... Pics attached. While you're at it with the throttle body I'd suggest whipping the manifold off & soaking it in brake cleaner as well...
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S40 Sport - 17" MOMO Alloys, ST Intercooler, DPF Delete & Remap, De badged |
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Jul 15th, 2012, 23:25 | #19 |
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you may now need new manifold gaskets, the set is not cheap if you get the Volvo one, but the Citroen C4 2.0HDi uses the same kit and it is sold for half the price at about 50€ or so. I have the part number somewhere if you find out that the gaskets have failed and are leaking and need replacing.
P.s. most of that gunk is coming from the EGR valve, but since you have the Y shaped TB, blanking it off is not an option.
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Volvo S40 2.0D momentum | 100kw/136bph | 2005 | Euro III | 49mpg | Electric silver
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Jul 15th, 2012, 23:41 | #20 | |||
08 Volvo S40 SE Sport R-D
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Quote:
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What year and engine have you got mate? Did you buy the twin TB and replaced the old single one or did you engine already have the new twin TB fitted? Just asking the age of car as that is some build up in there!! Quote:
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Volvo S40 SE Sport R-Design + Winter Pack |
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