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Old 11-18-2010, 06:58 PM   #1
manjiman
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Question Differential?

Hey everyone, I tried searching but came up without any results. I just wanted to know if the '87 740 turbo came with a differential? If so, which one?

Thanks,
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Old 11-18-2010, 07:00 PM   #2
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Quote:
Originally Posted by manjiman View Post
Hey everyone, I tried searching but came up without any results. I just wanted to know if the '87 740 turbo came with a differential? If so, which one?

Thanks,
manjiman
Yes, it did in fact come with a differential.
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Old 11-18-2010, 07:04 PM   #3
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I, too, can confirm the presense of a differential in the Volvo 740. Volvo has a long history of offering differentials on their cars, even the base models. It's one of the reasons I like them so much. I've tried to drive cars without them and it's very difficult. I had a 1979 Rx7 without a differential and it was a sumbitch to even get it to move.
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I just wanted to know if the '87 740 turbo came with a differential? If so, which one?
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Old 11-18-2010, 07:05 PM   #4
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I, too, can confirm the presense of a differential in the Volvo 740.
And do we have a third to make this fact?
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Old 11-18-2010, 07:08 PM   #5
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I know there's a differential on the '88 740, but I'm not 100% sure on the '87 since I haven't seen one firsthand, but I assume so since the '88 does...
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Old 11-18-2010, 07:09 PM   #6
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But some had different differentials... And there are differing opinions on which of the different differentials are better, but I'll defer to to experts on that.
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Old 11-18-2010, 07:10 PM   #7
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Can't determine fact based on assumption, we need to look under an 87. Oh wait, I can see one from here...... looks under the car across the street from his window...... and YES, differential is present.
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Old 11-18-2010, 07:12 PM   #8
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Dude, you can do differential equations in your head?
Awesome!
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Old 11-18-2010, 07:39 PM   #9
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Well...differential...hmmmm...maybe...not really sure, depends on the level of equipment that car came with, power windows, heated seats, differential...
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Old 11-19-2010, 09:30 PM   #10
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Can anyone link a picture to what it might look and what type of differential it might have? The Volvo I have has power windows, heated seats. not sure if this necessary for the car to have a differential? Also, what does the differential do?

Also, what is the required maintenance period for the differential? Or is it a sealed unit and requires no additional oil?
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Old 11-19-2010, 09:33 PM   #11
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Wikipedia can explain way better than TB: http://en.wikipedia.org/wiki/Differe...hanical_device)

It'll look similar to this:
http://www.4x4wire.com/reviews/gearl...fferential.jpg
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Old 11-19-2010, 09:38 PM   #12
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As opposed to a rearend, which might look more like this
http://www.tacomaworld.com/forum/att...e-rear-end.jpg
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Old 11-19-2010, 09:44 PM   #13
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haha! I looked in the Hayne's manual and it said some models came with a differential (limited slip) and that maintenance/inspection should be every 12,000 miles or annually. It does not specify if the oil has to be changed or not, just topped up.
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Old 11-20-2010, 08:04 PM   #14
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Quote:
Originally Posted by manjiman View Post
haha! I looked in the Hayne's manual and it said some models came with a differential (limited slip) and that maintenance/inspection should be every 12,000 miles or annually. It does not specify if the oil has to be changed or not, just topped up.
Oil in differential?! Never heard.
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Old 11-20-2010, 09:25 PM   #15
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haha! I looked in the Hayne's manual and it said some models came with a differential (limited slip) and that maintenance/inspection should be every 12,000 miles or annually. It does not specify if the oil has to be changed or not, just topped up.
re-read it....some cars came with a limited slip, all have a differential
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Old 11-22-2010, 10:31 PM   #16
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Oh. I was just wondering what kind it came with and what purpose it would serve? Also, if having a differential vs having none makes a difference in the winter?
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Old 11-22-2010, 10:33 PM   #17
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Oh. I was just wondering what kind it came with and what purpose it would serve? Also, if having a differential vs having none makes a difference in the winter?
ALL CARS HAVE DIFFERENTIALS
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Old 11-22-2010, 10:35 PM   #18
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Originally Posted by badvlvo View Post
Can't determine fact based on assumption, we need to look under an 87. Oh wait, I can see one from here...... looks under the car across the street from his window...... and YES, differential is present.
Are you sure? It might just be the housing. Go pull the cover off.
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Old 11-22-2010, 10:42 PM   #19
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kids...
A differential is a device that, in a car, allows the drive wheels to turn at different speeds in a corner.
A limited slip differential limits the slip between the two axles to allow better traction in loose conditions because one wheel will spin with out moving the car if you have an "open" differential.
A locking differential locks the two axles together in certain conditions, this can be advantageous in certain conditions and under certain uses.
A Lincoln locker or a spool, is a solid connection between the two axles, allowing no "differential" motion...rarely needed or wanted.
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Old 11-22-2010, 10:44 PM   #20
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I think he may be asking if it has a locker or limited slip.
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Old 11-22-2010, 10:50 PM   #21
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Quote:
Originally Posted by microsa1 View Post
I think he may be asking if it has a locker or limited slip.
Yeah, That's what I was asking. Found my answer here: http://www.volvoclub.org.uk/faq/Driv...Recommendation


some came with an LSD as a dealer installed option. There should be a metal tag that says "anti-slip oil" meaning an LSD. Lot's of awesome information on that site I posted.
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Old 11-22-2010, 11:25 PM   #22
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do you believe you have a limited-slip differential carrier?
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Old 11-23-2010, 11:37 AM   #23
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I don't know... I haven't checked underneath the car.
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Old 11-23-2010, 11:55 AM   #24
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Because it's too fricken cold. -40/-40 in the wind this morning.

Head over to calgaryvolvoclub.com and register on the forum if you want to meet up with some of us local guys.

It's easy to tell if you have a *limited slip* differential in this weather. Take a corner at 20kph, give it a little gas...does the inside tire spin, or do both tires spin and the ass end want to come around? Heck, even in a straight line, does one tire always spin or is it pretty easy to get moving?
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Old 11-23-2010, 06:41 PM   #25
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If i accelerate too much in a straight line, the wheels just spin and its hard to get moving. It's even worse when I hit boost to gain some speed on 16th Ave. The wheels just spin and the car loses control.
I'll have to see if one tire spins or not, haven't really notice anything.

Last edited by manjiman; 11-23-2010 at 06:53 PM..
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