IPD sale XeMODeX - Experts in Volvo Electronics

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by Marcobrick
Wed Nov 13, 2019 1:15 pm
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

abscate wrote:
Wed Nov 13, 2019 11:56 am
Its a quirk of Volvo that everything is measure in absolute pressure in software and diagnostics, isnt it?
Yes, I think mathematically it’s simpler, but not necessarily intuitive!
by Marcobrick
Wed Nov 13, 2019 12:34 am
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

RickHaleParker wrote:
Tue Nov 12, 2019 7:50 am


B5234T3 Maximum boost pressure: 184 ± 10 kPa @ 5100 RPM. (26.687 ± 1.450 PSI)
Is that absolute manifold pressure? It would make sense because that would equal about 12psi of boost
by Marcobrick
Mon Nov 11, 2019 6:40 pm
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

abscate wrote:
Mon Nov 11, 2019 5:53 pm
Yikes. The only thing stopping you from blowing a rod is the CBV. I hope that is working well.
Brand new, fitted recently, but you never know. Actually, maybe it’s not working, because I don’t think it’s meant to hold 20+ psi (stock part)
by Marcobrick
Mon Nov 11, 2019 3:58 pm
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

Today I thought, what if the wastegate initial pressure is wrong? I have quadruple checked this but it’s easy to do. It’s still set at 4.5 psi exactly. What if I do something rash, like lengthen the rod 3 full turns? Well, 3 turns takes the initial pressure to exactly zero. Predictably that made it ...
by Marcobrick
Sun Nov 10, 2019 8:23 pm
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

I have done some more investigating. I ordered a mechanical boost gauge some time ago and this morning I have fitted it (temporarily) Idle vacuum (hot) 16in hg Removed rubber tail from brake booster and capped hard line, idle vacuum 18in. We have a leak (booster is leaking) The joint between the rub...
by Marcobrick
Sun Nov 10, 2019 1:24 pm
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

Well folks, it’s been a while since I’ve posted any progress so I guess it’s time for a catch up. I have a good excuse though. We’ve been very busy with garden and landscaping projects with Spring being upon us. I took a punt on the boost pressure sensor not giving the correct information and it loo...
by Marcobrick
Mon Aug 12, 2019 6:01 pm
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

New bypass valve fitted today. It’s the second time I’ve done that job on one of these, and man what a pain to get the bolts started when refitting!

Reconnected the battery, went for a drive and....nope. Still not enough boost, surging etc. Next I’ll go through all the vacuum lines AGAIN.
by Marcobrick
Sat Aug 10, 2019 2:29 am
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

Investigations have continued. My best mechanic friend was visiting and we set to trying to diagnose what’s going on. Much easier being able to concentrate on driving while a knowledgeable person studies the data. By disconnecting and blanking various hoses we managed to get a better idea of what is...
by Marcobrick
Tue Jul 16, 2019 9:20 pm
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

Today I disconnected the MAF to see what would happen. It has way more power and response and less jerkiness at low throttle. A bit hairy at high boost, but I kind of expected that with disconnected MAF. The untrained wouldn’t even notice a difference except for the CEL it’s about to throw... Funny,...
by Marcobrick
Tue Jul 16, 2019 9:15 pm
Forum: Volvo V70 & XC-70 2001-2007, S60 2001-2009
Topic: Marco's 2003 V70 T5 journey
Replies: 60
Views: 2091
New Zealand

Re: Marco's 2003 V70 T5 journey

precopster wrote:
Wed Jul 10, 2019 2:10 am
There's a replacement loom for those throttles sold by both XeModex and Volvo dealers. Perhaps try one?!

https://xemodex.com/us/product/repair-h ... -body-etb/
Looks like a PITA to install. Thanks for the link.