bmdubya1198 Posted October 14, 2018 Report Share Posted October 14, 2018 Just finished up my M56 swap in my V70R today, and the car still runs great! However it won't move. After looking over things, we realized the car would roll freely while it was in gear. I was really concerned it may be the transmission, because it's definitely clicking into gear perfectly fine. The clutch also seems to be operating properly (external slave). I checked underneath, and while the driver's side axle is turning, the passenger side axle is not. I reused the original AW55 axles (like I was told I couldn't use, but I don't always listen to people...) and like I said, the driver's side is fine, but I think the passenger side is the problem. However, I'm still slightly concerned that the car is rolling, even though only one axle is connected to the wheel. Forgive me if this is a stupid question, but would it still roll without resistance if even one wheel is connected to the transmission, being an open diff? It seems weird that the driver's side wouldn't seem to have any resistance. Link to comment Share on other sites More sharing options...
sventastic Posted October 15, 2018 Report Share Posted October 15, 2018 I'm a bit confused as it sounds like you disconnected the passenger axle after discovering it wasn't turning with the driver's side? Link to comment Share on other sites More sharing options...
bmdubya1198 Posted October 15, 2018 Author Report Share Posted October 15, 2018 Sorry, I know the post is a little scattered... I was trying to figure out the best way to phrase it. The passenger side axle is still connected, however when I roll the car it isn't rotating. The driver's side axle is also connected, and rotates fine when I roll the car. What I was concerned about is the fact that the car will roll easily in any gear with no noticeable difference from neutral. My guess is that it's because the open diff would be putting power to the passenger side, and that's why the driver's side can roll freely? It's just throwing me off a little bit. Link to comment Share on other sites More sharing options...
Ihatespeedbumps Posted October 15, 2018 Report Share Posted October 15, 2018 You sure the passenger side is seated all the way in the diff? It's been too long for me I don't remember the differences between the M56 axles vs. AW55 axles. I'm sure that info is somewhere on this board still. Link to comment Share on other sites More sharing options...
bmdubya1198 Posted October 15, 2018 Author Report Share Posted October 15, 2018 1 hour ago, Ihatespeedbumps said: You sure the passenger side is seated all the way in the diff? It's been too long for me I don't remember the differences between the M56 axles vs. AW55 axles. I'm sure that info is somewhere on this board still. Should be, but maybe not. I think the problem was on the wheel side. I'm going to check it out at some point today, hopefully. Link to comment Share on other sites More sharing options...
sventastic Posted October 15, 2018 Report Share Posted October 15, 2018 Remove the passenger side axle and make sure it's fully seated when you reinstall it. Should be basically flush to the diff and as long as your axle nut is torqued down, it should be fine at the hub as well Link to comment Share on other sites More sharing options...
bmdubya1198 Posted October 15, 2018 Author Report Share Posted October 15, 2018 Removed the axle a little while ago, but while it was in the air it was turning with the wheel. Maybe it just wasn't seated in the transmission. Plan now is to go to the junkyard at some point this week and grab the proper FWD axle. The other problem with the AWD AW55 axle is the outer diameter is much smaller, so the transmission will leak out of the axle seal. I think the best thing I can do is just get the right axle. Link to comment Share on other sites More sharing options...
sventastic Posted October 16, 2018 Report Share Posted October 16, 2018 7 hours ago, bmdubya1198 said: Removed the axle a little while ago, but while it was in the air it was turning with the wheel. Maybe it just wasn't seated in the transmission. Plan now is to go to the junkyard at some point this week and grab the proper FWD axle. The other problem with the AWD AW55 axle is the outer diameter is much smaller, so the transmission will leak out of the axle seal. I think the best thing I can do is just get the right axle. Ah, yeah that sounds like the right call. You can use AW50-42 axles too, which is what I used, along with M56 axle seals (PN 6843481) Link to comment Share on other sites More sharing options...
bmdubya1198 Posted October 16, 2018 Author Report Share Posted October 16, 2018 10 hours ago, sventastic said: Ah, yeah that sounds like the right call. You can use AW50-42 axles too, which is what I used, along with M56 axle seals (PN 6843481) That's the plan! I'll update everyone once I pick up an axle. Hopefully by tomorrow. Link to comment Share on other sites More sharing options...
bmdubya1198 Posted October 18, 2018 Author Report Share Posted October 18, 2018 Does anyone know if the AW55 driver's side axle could also be a problem with the M56? On the AutoZone website it shows there's about in inch difference in length between the AW55 L axle and the AW50-42 L axle. The splines going in to the transmission also appear different, the AW50-42 axle uses the helical grooves (for lack of a better description) while the AW55 appears shorter and does not. The spine counts on either side are, however, the same. Link to comment Share on other sites More sharing options...
bmdubya1198 Posted October 18, 2018 Author Report Share Posted October 18, 2018 Alright... the answer is NO, the AW55 driver's side axle does NOT work with an M56. I had to re-seat the iPd SF bushing insert on the left rear corner of the subframe, and while I was down there I checked the axle, and it isn't even engaged in the transmission. I think the problem is that my cousin installed that one. I shouldn't let non-Volvo people work on my Volvos! Gonna order new lifetime warranty axles from Autozone. Link to comment Share on other sites More sharing options...
Mesoam Posted October 21, 2018 Report Share Posted October 21, 2018 On 10/18/2018 at 3:45 PM, bmdubya1198 said: Gonna order new lifetime warranty axles from Autozone. good thing they come with the warranty Link to comment Share on other sites More sharing options...
bmdubya1198 Posted October 22, 2018 Author Report Share Posted October 22, 2018 12 hours ago, Mesoam said: good thing they come with the warranty Yup, it’s good to have! As long as they honor it and have a replacement in stock. Best case, the parts will last and I won’t need to use it! Ordered one axle from AutoZone and one from Rock Auto. AZ didn’t have the drivers side in stock, and the idiot at the store wouldn’t work with me on the price to honor the discount that the website would have given me, plus he told me I’d still have to wait for one to “ship from the vendor”. Ended up getting an even better deal by ordering them from two different places. Still lifetime warranties on both! Link to comment Share on other sites More sharing options...
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