S40 2.0D Throttle Body Cleaning Guide - Page 12

OCW · Jan 10th, 2016, 20:26

Hi, I'm a new owner of V50 2009 2 litre diesel and had this problem with intermittent starting soon after buying - never owned a Volvo before and I was really disappointed. I had researched the problem and found info about throttle flap sticking and found this excellent thread but seeing that people had cleaned theirs up and it hadn't made a difference I was getting despondent and thought it wasn't worth trying. BUT over the Christmas break I gave it a go, thanks to the help of this guide from the OP and my Grandad's mechanical savvy we took it apart and cleaned all the crud out, then spent quite a while with the emery paper sanding a small gap so it wouldn't stick and two weeks later my car is firing up beautifully each time. So my post is to say thanks for this guide, hopefully I'm one of the lucky ones where this has solved the problem. I'm also now fuelling up with VPower diesel in the hopes to keep it running clean. Thanks all for the sharing the knowledge.

domov2 · Apr 24th, 2016, 11:12

I attempted this today and I ran into a problem.

How do you get the tube off shown in the picture below?

paddyred · Apr 24th, 2016, 11:17

Its just a piece of rubber tube thats a push fit over the fitting. If you pull it hard enough it will come off. If not try twisting it, theres no clips on those at all.

domov2 · Apr 24th, 2016, 12:36

Thanks, looks like I have a different problem now. One of the bolts (which ive used a 4mm hex/allen key to remove) has been rounded off which means I cant remove it.

paddyred · Apr 24th, 2016, 12:49

I could have sworn the bolts that hold it on are Torx drivers not allen keys. Have you got a set of torx bits?

domov2 · Apr 24th, 2016, 21:35

You are correct. They are not allen keys but they looked like it on first glance. I managed to take one off one on the bolts with a 4mm allen key. I dont have any torx bits

paddyred · Apr 24th, 2016, 21:56

Quote:

Originally Posted by domov2

You are correct. They are not allen keys but they looked like it on first glance. I managed to take one off one on the bolts with a 4mm allen key. I dont have any torx bits

If you get a set of torx bits then you might be able to get the rest off without rounding them!

S40Karl57 · Nov 4th, 2016, 11:15

Been having a few issues with my S40 For almost a year now, Took it into garage under wty one morning when it wouldn't start after weeks of hassle they replaced the fuel pump. Now that the cold weather has returned its refusing to fire first go like it has all summer so i will give the throttle body a go at cleaning, Also i have fitted a non return valve to the clear pipe that goes to the pump seems to hold the fuel better new set of glow plugs will be fitted hopefully this will help anyone in the same boat as me

1616six · Jan 27th, 2017, 11:59

Hi guys

Forgive me for not reading every post but I don't suppose it's possible to clean the TB in situ?

I tried to remove it however the top 2 torx screws come out fine, the harder to get to, lower screw has unfortunately rounded off so I can't actually remove it!

Failing that, any ideas on how to remove the rounded torx screw? It's obviously poor access down there.

Cheers

1616six · Jan 27th, 2017, 19:49

Anyone?

Jan 10th, 2016, 20:26	#111
OCW New Member Last Online: Nov 25th, 2017 12:50 Join Date: Jan 2016 Location: Great Missenden	Problem Solved! Hi, I'm a new owner of V50 2009 2 litre diesel and had this problem with intermittent starting soon after buying - never owned a Volvo before and I was really disappointed. I had researched the problem and found info about throttle flap sticking and found this excellent thread but seeing that people had cleaned theirs up and it hadn't made a difference I was getting despondent and thought it wasn't worth trying. BUT over the Christmas break I gave it a go, thanks to the help of this guide from the OP and my Grandad's mechanical savvy we took it apart and cleaned all the crud out, then spent quite a while with the emery paper sanding a small gap so it wouldn't stick and two weeks later my car is firing up beautifully each time. So my post is to say thanks for this guide, hopefully I'm one of the lucky ones where this has solved the problem. I'm also now fuelling up with VPower diesel in the hopes to keep it running clean. Thanks all for the sharing the knowledge.

Apr 24th, 2016, 11:17	#113
paddyred Master Member Last Online: Jul 31st, 2021 13:08 Join Date: Feb 2013 Location: Exeter	Its just a piece of rubber tube thats a push fit over the fitting. If you pull it hard enough it will come off. If not try twisting it, theres no clips on those at all. __________________ Wax On Wax Off!

Apr 24th, 2016, 12:49	#115
paddyred Master Member Last Online: Jul 31st, 2021 13:08 Join Date: Feb 2013 Location: Exeter	I could have sworn the bolts that hold it on are Torx drivers not allen keys. Have you got a set of torx bits? __________________ Wax On Wax Off!

Nov 4th, 2016, 11:15	#118
S40Karl57 New Member Last Online: Nov 8th, 2016 13:32 Join Date: Nov 2016 Location: hartlepool	s40 2.0d 57 Been having a few issues with my S40 For almost a year now, Took it into garage under wty one morning when it wouldn't start after weeks of hassle they replaced the fuel pump. Now that the cold weather has returned its refusing to fire first go like it has all summer so i will give the throttle body a go at cleaning, Also i have fitted a non return valve to the clear pipe that goes to the pump seems to hold the fuel better new set of glow plugs will be fitted hopefully this will help anyone in the same boat as me

Apr 24th, 2016, 11:12	#112
domov2 Junior Member Last Online: Feb 28th, 2021 15:13 Join Date: Sep 2015 Location: derby	I attempted this today and I ran into a problem. How do you get the tube off shown in the picture below?

Apr 24th, 2016, 12:36	#114
domov2 Junior Member Last Online: Feb 28th, 2021 15:13 Join Date: Sep 2015 Location: derby	Thanks, looks like I have a different problem now. One of the bolts (which ive used a 4mm hex/allen key to remove) has been rounded off which means I cant remove it.

Apr 24th, 2016, 21:35	#116
domov2 Junior Member Last Online: Feb 28th, 2021 15:13 Join Date: Sep 2015 Location: derby	You are correct. They are not allen keys but they looked like it on first glance. I managed to take one off one on the bolts with a 4mm allen key. I dont have any torx bits

Jan 27th, 2017, 11:59	#119
1616six Junior Member Last Online: Oct 6th, 2023 11:21 Join Date: Dec 2016 Location: Norfolk	Hi guys Forgive me for not reading every post but I don't suppose it's possible to clean the TB in situ? I tried to remove it however the top 2 torx screws come out fine, the harder to get to, lower screw has unfortunately rounded off so I can't actually remove it! Failing that, any ideas on how to remove the rounded torx screw? It's obviously poor access down there. Cheers

Jan 27th, 2017, 19:49	#120
1616six Junior Member Last Online: Oct 6th, 2023 11:21 Join Date: Dec 2016 Location: Norfolk	Anyone?

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