Cal3thousand Posted March 10, 2008 Report Share Posted March 10, 2008 Where is the ECU ground located? Link to comment Share on other sites More sharing options...
Cal3thousand Posted March 10, 2008 Author Report Share Posted March 10, 2008 Anyone?......... Link to comment Share on other sites More sharing options...
Ozark Lee Posted March 11, 2008 Report Share Posted March 11, 2008 It is a black wire that bolts to the block....Lee Link to comment Share on other sites More sharing options...
Cal3thousand Posted March 12, 2008 Author Report Share Posted March 12, 2008 It is a black wire that bolts to the block....LeeSo its an insulated wire? not like those braided ones coming off of the head to the chassis? And where does it bolt? I can't seem to find it Link to comment Share on other sites More sharing options...
cn90 Posted March 12, 2008 Report Share Posted March 12, 2008 So its an insulated wire? not like those braided ones coming off of the head to the chassis? And where does it bolt? I can't seem to find itI don't know about 850, but these are ground locations for 1998-2000 V70. Link to comment Share on other sites More sharing options...
Ozark Lee Posted March 13, 2008 Report Share Posted March 13, 2008 So its an insulated wire? not like those braided ones coming off of the head to the chassis? And where does it bolt? I can't seem to find itIt crimps together with a bunch of other ground wires on the (US) driver's side of the block - more or less above the back of the starter below the intake manifold.It is an insulated wire. I was looking at them today when I as servicing my son's PCV and I (from memory) am going to spot them between cylinders 4 & 5 on the front of the block. There are 2 ground lugs with multiple wires to each that are very close to each other near that location on my son's car ('96 N/A). You might be able to feel them by reaching under the intake manifold and feeling along the front of the block but you will never be able to see them unless you remove the intake manifold....Lee Link to comment Share on other sites More sharing options...
Cal3thousand Posted March 13, 2008 Author Report Share Posted March 13, 2008 It crimps together with a bunch of other ground wires on the (US) driver's side of the block - more or less above the back of the starter below the intake manifold.It is an insulated wire. I was looking at them today when I as servicing my son's PCV and I (from memory) am going to spot them between cylinders 4 & 5 on the front of the block. There are 2 ground lugs with multiple wires to each that are very close to each other near that location on my son's car ('96 N/A). You might be able to feel them by reaching under the intake manifold and feeling along the front of the block but you will never be able to see them unless you remove the intake manifold....LeeSo would I need to remove the intake manifold to get to it? Or do you think I can get to it from the bottom.Thanks for all your help, Lee. Link to comment Share on other sites More sharing options...
Ozark Lee Posted March 13, 2008 Report Share Posted March 13, 2008 I was trying to get a picture for you from a PCV writeup here:http://lakesidedp.com/uploadpics/pcv/In his pictures however the ground lugs are not where they were on my son's 96 850 N/A. I pulled up a VADIS diagram for a '94 Turbo and it shows them to be where my son's are. Some of the later pictures in the writeup show the front of the block with the PCV removed. The ground wires on my son's car were in the general vicinity of the knock sensor (The one that has not been removed). Working on memory I doubt that you can get to them from the bottom because I think the starter is in the way. You might be able to get to them from above by reaching under the intake manifold. With the intake off it is very easy to get to them.I hope I'm not sending you down the wrong road and I am questioning myself due to the pictures in the writeup....Lee Link to comment Share on other sites More sharing options...
MrWinkey Posted March 13, 2008 Report Share Posted March 13, 2008 Lee(once again) is correct and really the only way to hit those grounds is removal of the intake. ;) Link to comment Share on other sites More sharing options...
Cal3thousand Posted March 14, 2008 Author Report Share Posted March 14, 2008 Lee(once again) is correct and really the only way to hit those grounds is removal of the intake. Yeah... Lee's a know-it-all... the good kind though I was afraid that I would have to remove the manifold. But, I DO have a gasket coming from FCP and that would help me rule out/fix the manifold leak. AND I could check the status of my crappy PCV....uggh... I might as well do that timing belt replacement that I was wanting to do... ;) Link to comment Share on other sites More sharing options...
MrWinkey Posted March 14, 2008 Report Share Posted March 14, 2008 Yeah... Lee's a know-it-all... the good kind though I was afraid that I would have to remove the manifold. But, I DO have a gasket coming from FCP and that would help me rule out/fix the manifold leak. AND I could check the status of my crappy PCV....uggh... I might as well do that timing belt replacement that I was wanting to do... Might just want to do an oil trap while your there? Intake removal is rather simple on these cars a 10mm 1/4" drive swivel socket makes it even easier. ;) Link to comment Share on other sites More sharing options...
Cal3thousand Posted March 14, 2008 Author Report Share Posted March 14, 2008 Might just want to do an oil trap while your there? Intake removal is rather simple on these cars a 10mm 1/4" drive swivel socket makes it even easier. Do you think I could get away with just ordering the oil trap and cleaning the rest of the hoses?Someone once said that volvo doesn't even have a service interval on these things. But then again, they don't recommend AT flushes either <_< Link to comment Share on other sites More sharing options...
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