Engine 850: B5234TR/2.3/20v/T5R: - Loss in boost - Page 4

AndysR · Feb 17th, 2008, 20:18

Cheers guy's. Do you know the minute the car went wrong I knew I would get some sensible suggestions/valuable information from this forum and you haven't let me down!! I will keep you posted on my progress at the weekend

Georgey dee · Feb 17th, 2008, 20:20

Now I hope my intercooler is the source of my leak!! LOL

AndysR · Feb 17th, 2008, 20:24

Quote:

Originally Posted by Georgey dee

Now I hope my intercooler is the source of my leak!! LOL

Lol at least you get a decent amount of boost though, mine feels like my mum's 2004 V70 2.0T at the mo!! lol

Georgey dee · Feb 17th, 2008, 20:25

But when it's fixed it will feel well fast!!!!

AndysR · Feb 17th, 2008, 23:11

Right just come back from a good 100 mile drive in the car which started off with the old, I wonder if the fault is still there after sitting and cooling for a few hours. Well during the first 20 or so minutes I was driving it gently to allow the engine oil etc. to come up to operating temperature. Then after that I gave it about 1/2 throttle and found the boost level to be as it was earlier. Went to the same section of A road I was on early and navigated a few roundabouts to no avail still very low boost.
Then when I came to the next roundabout I decided to call it a night and swing round it and head back the way I had come and guess what.... thats right full boost the way it was before. Did a good 50 or so miles with it working perfectly in fact I think being as it was such a cold night it is probably fair to say it went better than it has gone since I have owned it. Then 20 miles from home on the return journey no boost again and this was the case all the way home its literally like a switch one minute its fine then its gone no warning and no change in vehicle behaviour apart from the obvious lack of power.
Im guessing that the above circumstances rule out the hoses as the cause of the fault and this therefore leaves the bcs, sticking actuator/wastegate arm or faulty Rica. Im not sure what you guy's think but I would like to go with the bcs as being the cause of the fault. Does this, based on the car's behavour, sound feasible?

AndysR · Feb 17th, 2008, 23:12

Quote:

Originally Posted by Georgey dee

But when it's fixed it will feel well fast!!!!

Erm yeah when it started boosting properly again it was like having it remapped all over again! lol

Georgey dee · Feb 18th, 2008, 10:11

BCS sounds like a good place to start.

AndysR · Feb 18th, 2008, 19:36

Quote:

Originally Posted by Georgey dee

BCS sounds like a good place to start.

Thats what I thought, phoned Volvo today and got 9125623 as a part number does that sound about right as the parts man wasn't 100 percent? Retail including vat for that part is £81.50.

stusT5 · Feb 18th, 2008, 20:22

Part no should be 1271630 and cost £67.54 with voc discount i brought one last week there is one for sale over in the sale section of the forum itguy is selling i'll post that bcs tomorrow mate got really busy today sorry

AndysR · Feb 18th, 2008, 20:43

Quote:

Originally Posted by stusT5

Part no should be 1271630 and cost £67.54 with voc discount i brought one last week there is one for sale over in the sale section of the forum itguy is selling i'll post that bcs tomorrow mate got really busy today sorry

No thats fine, tbh I think I am going to go for a new one anyway so thanks for the offer but after re-checking the obvious hoses again today and after the cars behaviour last night im pretty much smiten on the bcs so a new one will be ordered now I know the right part number for it.

Cheers for your gracious offer none the less, see you at Marham

Feb 17th, 2008, 20:18	#31
AndysR VOC Member Last Online: Nov 13th, 2023 22:12 Join Date: Aug 2006 Location: Essex	Cheers guy's. Do you know the minute the car went wrong I knew I would get some sensible suggestions/valuable information from this forum and you haven't let me down!! I will keep you posted on my progress at the weekend __________________ Volvo V40 T5 R-Design Lux Nav Geartronic owner

Feb 17th, 2008, 20:20	#32
Georgey dee Premier Member Last Online: May 1st, 2024 06:21 Join Date: Dec 2005 Location: Norwich View Photos By: Georgey dee	Now I hope my intercooler is the source of my leak!! LOL __________________ HAD; 440 GLT(Loved it), 850 GLT auto(Loved it), S70 2.5T(Nothing but problems!), 850R auto(Loved it!!), S60 D5 SE (Nothing but problems!) GOT; S60 D5 SE Lux Auto RAF Marham Track Day Co-Ord'

Feb 17th, 2008, 20:25	#34
Georgey dee Premier Member Last Online: May 1st, 2024 06:21 Join Date: Dec 2005 Location: Norwich View Photos By: Georgey dee	But when it's fixed it will feel well fast!!!! __________________ HAD; 440 GLT(Loved it), 850 GLT auto(Loved it), S70 2.5T(Nothing but problems!), 850R auto(Loved it!!), S60 D5 SE (Nothing but problems!) GOT; S60 D5 SE Lux Auto RAF Marham Track Day Co-Ord'

Feb 17th, 2008, 23:11	#35
AndysR VOC Member Last Online: Nov 13th, 2023 22:12 Join Date: Aug 2006 Location: Essex	Right just come back from a good 100 mile drive in the car which started off with the old, I wonder if the fault is still there after sitting and cooling for a few hours. Well during the first 20 or so minutes I was driving it gently to allow the engine oil etc. to come up to operating temperature. Then after that I gave it about 1/2 throttle and found the boost level to be as it was earlier. Went to the same section of A road I was on early and navigated a few roundabouts to no avail still very low boost. Then when I came to the next roundabout I decided to call it a night and swing round it and head back the way I had come and guess what.... thats right full boost the way it was before. Did a good 50 or so miles with it working perfectly in fact I think being as it was such a cold night it is probably fair to say it went better than it has gone since I have owned it. Then 20 miles from home on the return journey no boost again and this was the case all the way home its literally like a switch one minute its fine then its gone no warning and no change in vehicle behaviour apart from the obvious lack of power. Im guessing that the above circumstances rule out the hoses as the cause of the fault and this therefore leaves the bcs, sticking actuator/wastegate arm or faulty Rica. Im not sure what you guy's think but I would like to go with the bcs as being the cause of the fault. Does this, based on the car's behavour, sound feasible? __________________ Volvo V40 T5 R-Design Lux Nav Geartronic owner Last edited by AndysR; Feb 17th, 2008 at 23:13.

Feb 18th, 2008, 10:11	#37
Georgey dee Premier Member Last Online: May 1st, 2024 06:21 Join Date: Dec 2005 Location: Norwich View Photos By: Georgey dee	BCS sounds like a good place to start. __________________ HAD; 440 GLT(Loved it), 850 GLT auto(Loved it), S70 2.5T(Nothing but problems!), 850R auto(Loved it!!), S60 D5 SE (Nothing but problems!) GOT; S60 D5 SE Lux Auto RAF Marham Track Day Co-Ord'

Feb 18th, 2008, 20:22	#39
stusT5 850 t5 and r owner Last Online: Aug 21st, 2014 07:28 Join Date: May 2007 Location: epsom View Photos By: stusT5	Part no should be 1271630 and cost £67.54 with voc discount i brought one last week there is one for sale over in the sale section of the forum itguy is selling i'll post that bcs tomorrow mate got really busy today sorry __________________ www.t5d5.org the no nonsense free speech performance volvo site

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