sconeman Posted February 7, 2008 Report Share Posted February 7, 2008 Mmmmm, bananas. Seagrams you rock, you are going above and beyond here. I am becoming a BCS expert! Thank you for your insight.+1 no doubt. me too. Very helpful. Link to comment Share on other sites More sharing options...
TurboTim Posted February 7, 2008 Report Share Posted February 7, 2008 Didnt I suggest that like 2 pages ago? or was that another post. Link to comment Share on other sites More sharing options...
sconeman Posted February 7, 2008 Report Share Posted February 7, 2008 Didnt I suggest that like 2 pages ago? or was that another post.You did for him, he's suggesting it for me. I'm thread jacking now. On a positive note your assistance is spilling over to others. Link to comment Share on other sites More sharing options...
Seagrams Posted February 7, 2008 Author Report Share Posted February 7, 2008 Didnt I suggest that like 2 pages ago? or was that another post.I gotta give props where props are due . Turbo Tim, you gave me a glimpse of sunshine in an otherwise dark and destitute world. You were the one to suggest using the test light to check the signal going to the BCS. When i realized where you were going with that, and when i found that i was indeed getting a good duty cycle, I had to make my own extrapolations (granted i only was able to make them with your help and for that man I'm way grateful :tup: ) and I had to come to some conclusions you didn't explicitly mention in your suggestions (although i'm sure you would have if i needed more guidance ) So TurboTim, hats off to you friend, your advice has been integral to this process !!!Mmmmm, bananas. Seagrams you rock, you are going above and beyond here. I am becoming a BCS expert! Thank you for your insight.Yo if you really want some BCS 101, check out this post i made Click It!!!! Link to comment Share on other sites More sharing options...
Pops Racer Posted February 7, 2008 Report Share Posted February 7, 2008 I gotta give props where props are due . Turbo Tim, you gave me a glimpse of sunshine in an otherwise dark and destitute world. You were the one to suggest using the test light to check the signal going to the BCS. When i realized where you were going with that, and when i found that i was indeed getting a good duty cycle, I had to make my own extrapolations (granted i only was able to make them with your help and for that man I'm way grateful :tup: ) and I had to come to some conclusions you didn't explicitly mention in your suggestions (although i'm sure you would have if i needed more guidance ) So TurboTim, hats off to you friend, your advice has been integral to this process !!!Yo if you really want some BCS 101, check out this post i made Click It!!!!Thats what I mean, dude!! I was reading these 2 threads at the same time. It was like having a practical exercise/ lab with my physics lecture. And Turbo Tim was the guest lecturer....or something like that. Good job by both of you. Link to comment Share on other sites More sharing options...
sconeman Posted February 8, 2008 Report Share Posted February 8, 2008 hey Seagrams, Any updates? If you haven't done that DP yet it will only take you about and hour and a half to loosen, drive and put back together (including heat shield) My cars back from the shop, they checked all my vacuum plumbing, installed new pcv system and adjusted the wastegate for me + a bunch of other repairs of course. (See my signature) All the plumbing was right, of course! BTW props to Ithaca Foreign Auto. They're great. Extremely reasonable and knowledgeable. If anyone's in the area.It's most of the way there now. A couple of psi to go. The only things I have left that I haven't done is rebuild the cbv (parts on order) and replace the MAF (which I'm leaving as a last resort since it's more expensive.) Also I'm going to replace any of the stock press fitted clamps with screw clamps. I read a thread re: loosing several pounds of boost through the hose that's attached to the pump (on the intake mani by the vac tree) because of the pressure fitted stocker clamps! There are three of those on the PCV system to that were suspect and I replaced those too. Link to comment Share on other sites More sharing options...
Seagrams Posted February 8, 2008 Author Report Share Posted February 8, 2008 hey Seagrams, Any updates? If you haven't done that DP yet it will only take you about and hour and a half to loosen, drive and put back together (including heat shield) My cars back from the shop, they checked all my vacuum plumbing, installed new pcv system and adjusted the wastegate for me + a bunch of other repairs of course. (See my signature) All the plumbing was right, of course! BTW props to Ithaca Foreign Auto. They're great. Extremely reasonable and knowledgeable. If anyone's in the area.It's most of the way there now. A couple of psi to go. The only things I have left that I haven't done is rebuild the cbv (parts on order) and replace the MAF (which I'm leaving as a last resort since it's more expensive.) Also I'm going to replace any of the stock press fitted clamps with screw clamps. I read a thread re: loosing several pounds of boost through the hose that's attached to the pump (on the intake mani by the vac tree) because of the pressure fitted stocker clamps! There are three of those on the PCV system to that were suspect and I replaced those too.DP is getting done tomorrow and some other things as well. (still waiting on some IPD gear that won't come till Tuesday (MAF cleaner and bumper paint so i can make my R lip pretty) and while i was up Island today getting my class M permit, i swung by autozone and picked up a vac pressure tester/pump so I can do all those test right and not all rankey like i did before. What makes you think your CBV is bad? have you tested it? One of my boughetto tests is to take the Vac line to the CBV off the intake Mani, put it in your mouth, suck real hard and then plug the line with your tongue. If the pressure holds, you're cbv is probably in good shape (more psi could change this, hence the vac pump cause i sure can't suck like 10+ psi , should get my GF to try it HA don't tell her !!!) I thought my cbv was bad right when QBM went out of stock but I got no flutter, releases normally. lookforjoe thought his was bad (and he knows his stuff) but when he finally got it, it turned out to be something else(his cat). I'm no longer into just throwing parts at my car and hoping for a fix, I've been disappointed too many times. Test, Test, Test, then Buy Have you don't the BCS tests? they're reallll simple, shoot me a pm (or Turbo Tim) and one of us would love to help you. Nobody likes talking to me about volvos anymore anyway I read your thread suggesting a boost/ BCS thread in one place, once i fix this problem I'll put one together with your info and my BCS 101 (that should be pinned i feel , One thread for all boost leak solutions and tests should def. be worthy of pinnage . Hope a mod agrees, i'd hate to do all the work for the thread to get buried like my BCS one is now . Anyway, for everything other than the MAF, my increasingly likely culprit, I hope to have it sorted by tomorrow afternoon. Will Advise, Link to comment Share on other sites More sharing options...
sconeman Posted February 8, 2008 Report Share Posted February 8, 2008 What makes you think your CBV is bad? have you tested it? Have you don't the BCS tests? they're reallll simple, shoot me a pm (or Turbo Tim) and one of us would love to help you. Nobody likes talking to me about volvos anymore anyway I read your thread suggesting a boost/ BCS thread in one place, once i fix this problem I'll put one together with your info and my BCS 101 (that should be pinned i feel , One thread for all boost leak solutions and tests should def. be worthy of pinnage . Hope a mod agrees, i'd hate to do all the work for the thread to get buried like my BCS one is now . Anyway, for everything other than the MAF, my increasingly likely culprit, I hope to have it sorted by tomorrow afternoon. Will Advise,Re: the CBV I'm down to a couple of problems (CBV and MAF) and my car is holding really well at 10-12 psi so I'm speculating that the cbv is leaking above that pressure. All the other related repairs have given me 3-4 psi but I'm looking for the last elusive 2-4 LBS. The CBV is the cheapest of the two potential repairs that I have left. That's my logic. I haven't done the test but I will when it stops snowing for a minute!! Thanks for the offer I may need some assistance.I would, and I'm sure many others would, contribute to the "complete guide to regaining your boost pressure" There have got to be thousands of posts on the combined issues and it's mind numbing reading through them all. Although maybe that's just part of the fun can't wait for you to find the unicorn. Link to comment Share on other sites More sharing options...
sconeman Posted February 9, 2008 Report Share Posted February 9, 2008 What makes you think your CBV is bad? have you tested it? One of my boughetto tests is to take the Vac line to the CBV off the intake Mani, put it in your mouth, suck real hard and then plug the line with your tongue. If the pressure holds, you're cbv is probably in good shape (more psi could change this, hence the vac pump cause i sure can't suck like 10+ psi ,More thoughts on this. It seems like a tired old rubber diaphram is a pretty likely candidate. I don't want to spend money on something I don't need but this problem leads me to want to completely eliminate one problem at a time until I have found the solution. I can't stop working on something until it's finished + I'm impatient (obsessive could be the word) so I am pretty determined to figure this thing out as fast as possible. I started with the cheaper things and have moved along. With the exception of the IC lines. (If I hadn't put in the IPD ecu I probably would have left those in.) Call me a skeptic but I'm not 100% convinced that your test will yield conclusive results Aside from testing the bcv I don't know where else to look (and the MAF) As far as I know I've eliminated every other possibility. Besides the bcv must be working to some degree. And It seems like I'm looking for a leak above 10psi at this point. I agree people shouldn't replace parts that aren't bad but for me any rubber part on a 13 year old car is fair game, especially when I'm looking for it to preform above it's stock specs.I'm very anxious to see how things change when I get the new diaphram and preload the spring to handle more boost. I'll let you know for sure! Link to comment Share on other sites More sharing options...
Seagrams Posted February 9, 2008 Author Report Share Posted February 9, 2008 alright man... did you read my last post in your CBV thread? I was totally convinced that my CBV was fubared... after a quick check with the vacuum pump, i'm sure it's not...Spend the $20 or so bucks and get a vac pump... you can use it for checking every pressure/vac regulated valve on the car, bleeding brakes, you name it... Actually getting to the CBV and removing it is 150% harder than checking it with a hand pumped vacuum tester... I'm super cereal on this... Plus you said you were going with the CBV cause it's cheaper than an MAF, well, once you spend the $50 on a replacement diaphragm and (possibly) find out it doesn't work, well then you just upped the price of the MAF by $50. Test the BCS, you can do it in a half hour, gimme a ring, it's WAY easier than you may think. Also get the Vacuum pump, trust me, I was totally SHocked by how many automotive things you can do with it, it'll pay for itself so to speak... you can test the CBV to 15+ psi if you want with the hand pump. Sure "rubber parts on a 13 year old car" can be fair game, i totally agree... but that doesn't ensure that they are.... there is only one way to do that, by testing it...Listen, if your set on it, get the CBV, it could be your problem, but without a test (testing with a pump would be 99-100% conclusive it's science) there is a chance you're grasping at straws. It's your car and your money but, as it would seem you know, the excitement of getting a new part that might be "the fix" is always tempered by the disappointment when it's not. So take the guess work out and test it....i'm not trying to poop on your hopes and ideas, just offering my opinion based on prior experience to help a fellow volvo dude :) :). And If it does turn out to be the CBV, then come to the hamptons and help me fix my car God speedBTW is the Someplace Tavern on North Aurora in Icatha still there? Link to comment Share on other sites More sharing options...
sconeman Posted February 9, 2008 Report Share Posted February 9, 2008 Spend the $20 or so bucks and get a vac pump... you can use it for checking every pressure/vac regulated valve on the car, bleeding brakes, you name it...where'd you get yours? sound helpful!Listen, if your set on it, get the CBV, it could be your problem, but without a test (testing with a pump would be 99-100% conclusive it's science) there is a chance you're grasping at straws. It's your car and your money but, as it would seem you know, the excitement of getting a new part that might be "the fix" is always tempered by the disappointment when it's not. So take the guess work out and test it....you're so right. I'm fatally optimistic though. And I already ordered the cbv diaphram a couple of days ago.i'm not trying to poop on your hopes and ideas, just offering my opinion based on prior experience to help a fellow volvo dude :) :). And If it does turn out to be the CBV, then come to the hamptons and help me fix my car It would be a nice vacation. I have a friend who's a chef down there but I don't remember which restaurant he's at.BTW is the Someplace Tavern on North Aurora in Icatha still there?never heard of it!! North Aurora is still there though. When were you in Ithaca? Link to comment Share on other sites More sharing options...
Seagrams Posted February 9, 2008 Author Report Share Posted February 9, 2008 where'd you get yours? sound helpful!you're so right. I'm fatally optimistic though. And I already ordered the cbv diaphram a couple of days ago.It would be a nice vacation. I have a friend who's a chef down there but I don't remember which restaurant he's at.never heard of it!! North Aurora is still there though. When were you in Ithaca?AutoZone, It's a mittyvac, made by a company called OEM think it cost me like$30 with tax.Dude, you gotta remember! I work for a magazine out here, and one of the things i do is restaurant reviews (car reviews as well )My pops went to Ithaca college (only for like a year or so) and stole an ashtray from the someplace else tavern. I still have it lying around somewhere, just wondering if it still exists.Alright so I'm starving, gonna grab a bite then get hopping on this car... Fingers crossed Link to comment Share on other sites More sharing options...
oleladys850 honest Posted February 11, 2008 Report Share Posted February 11, 2008 sometimes i notice for a second or two that the engine feel like it's suddenly under greater load, as if i were accelerating and suddenly someone hooked a trailer or something up to the car (or like there is an invisible hill) and then it disappears just as quickly.I apologize if this has already been stated , But I had noticed the same condition and just today I took out the MAF and cleaned it! So far it doesnt hesitate like before. For me it only happened from a cold start and at slow speeds as you stated. Found the cleaning procedure at Bay 13 and once the 2 torx screws are removed..(ended up using vice grips ) it takes about 10 minutes to complete. Good luck! Link to comment Share on other sites More sharing options...
Seagrams Posted February 11, 2008 Author Report Share Posted February 11, 2008 Hi all,Sorry i've been slow with the updates, I was unable to get any work done this weekend. I had the PB blaster in one hand and a socket in the other about to start on the car, when my fire department got banged out for a mutual aid call (huge house fire) and that totally killed the day. I'm getting the MAF cleaner tomorrow so as soon as i get some free time (when it's not freezing/snowing or raining) i'll set to it.I haven't forgotten Link to comment Share on other sites More sharing options...
sconeman Posted February 12, 2008 Report Share Posted February 12, 2008 FYI. I cleaned my MAF and the BCS the other day with no change in boost pressure. It doesn't run worse though. I also swapped out the clamps on the pump (on the intake manifold) and the vac line to the brake booster (I hadn't noticed that one before.) Now I'm sure that I've got them all. Boost is still a little low. Should be swapping out the cbv diaphram within two weeks. It's about 10 degrees up here right now. Link to comment Share on other sites More sharing options...
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