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AWD to FWD conversion: done it (temporary) #4618645
12/30/17 11:03 AM
12/30/17 11:03 AM
Joined: Apr 2015
Posts: 494
Reunion Island
Superflan Offline OP
Superflan  Offline OP

Joined: Apr 2015
Posts: 494
Reunion Island
So, in a previous topic, I questioned if it was safe to drive in 2WD mode while waiting for a decent rear diff replacement on my wifes car, which is a front wheel dominant 4WD car.

Long story short, the 2WD button was tipped of by the keys, and the rear diff case splitted, almost in two.

So to get things rolling while awaiting a decent rear diff replacement, I decided to remove the driveshaft, diff, axle shafts, separate the cv joint bowls and put them back in the hubs to hold the bearings.

Well, it took a few steps:
Jack up the car, remove catback exhaust (2 bolts, 4 rubber mounts) and rear wheels
Remove driveshaft (4 screws on front, 4 bolts on the rear diff, 2 bolts that holds the halfway mount)
Remove diff (1 electrical connector, 2 pipes, 2 screws upside, one bolt on rear), bring it down halfway
Remove axle shafts from diff (a good lever is needed to pull them out of the diff case) and pull diff away
Remove axle shafts from hubs: Unscrew the big nut in the center of rear hubs and push the shafts inside with a hammer, holding on the other side to prevent them from falling
Separate the cv joint ends from the shafts: need to open the big end collars, slide boots and pull them off with a hammer and piece of wood
Screw them back in the hubs after sealing
Refit exhaust and wheels, put car on ground, ride smile


‘01 Peugeot Partner 1.9 D, 5W40 A3/B4, 258000 Km, running on WVO
Wife's ‘01 Toyota RAV4 3-dr 2.0 VVTi, 5W40 A3/B4, 148000 Km
Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4618691
12/30/17 11:37 AM
12/30/17 11:37 AM
Joined: Sep 2004
Posts: 8,176
Marshfield , MA
andyd Offline
andyd  Offline

Joined: Sep 2004
Posts: 8,176
Marshfield , MA
How does it go? You are on a dot in the middle of the Indian Ocean. Resources are limited. Fix it,make do, go without. You made the best of what you had to work with. Bonne Annee grin2


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4618692
12/30/17 11:37 AM
12/30/17 11:37 AM
Joined: Dec 2016
Posts: 8,474
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,474
Waco, TX
Good on you!

How much to do the repair back to original?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4618717
12/30/17 11:57 AM
12/30/17 11:57 AM
Joined: Mar 2004
Posts: 22,226
Upstate NY
Donald Offline
Donald  Offline

Joined: Mar 2004
Posts: 22,226
Upstate NY
I would have rented a car while I waited.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4618744
12/30/17 12:19 PM
12/30/17 12:19 PM
Joined: Dec 2016
Posts: 466
Indiana
5AcresAndAFool Offline
5AcresAndAFool  Offline

Joined: Dec 2016
Posts: 466
Indiana
When I was an auto tech there was a AWD Ford Tempo that a customer had that had the rear driveshaft removed and it seemed to cause no harm.

If I ever have rear differential trouble with our sienna I will just pull the driveshaft.

Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4618844
12/30/17 02:26 PM
12/30/17 02:26 PM
Joined: Jan 2006
Posts: 652
Mount Dora FL, Penfield NY, R...
ctrcbob Offline
ctrcbob  Offline

Joined: Jan 2006
Posts: 652
Mount Dora FL, Penfield NY, R...
Off Subject.

How far is Mauritius from la Reunion?

I have friends who normally go to Reunion, but this year, they went to Mauritius.


Bob CTRC USN Ret.
Mount Dora FL,
Penfield NY
Roswell NM

2018 Buick Regal Tour-X
2015 Sonata Sport 2.0T Limited
Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4618899
12/30/17 03:58 PM
12/30/17 03:58 PM
Joined: Jul 2015
Posts: 4,743
Down Under
SR5 Offline
SR5  Offline

Joined: Jul 2015
Posts: 4,743
Down Under
Nice work OP


---------------------------------------------------------------------------------
Castrol Edge 10W30 A5/B5 + Wesfil-Cooper Z154
Re: AWD to FWD conversion: done it (temporary) [Re: 5AcresAndAFool] #4618967
12/30/17 05:11 PM
12/30/17 05:11 PM
Joined: Sep 2009
Posts: 16,620
OH
fdcg27 Offline
fdcg27  Offline

Joined: Sep 2009
Posts: 16,620
OH
Originally Posted By: 5AcresAndAFool
When I was an auto tech there was a AWD Ford Tempo that a customer had that had the rear driveshaft removed and it seemed to cause no harm.

If I ever have rear differential trouble with our sienna I will just pull the driveshaft.


Well, if the case was split, there'd be no lube at all and the OP was probably afraid that it would lock up in use, with potentially dire results.
My first thought was also simply to remove the driveshaft, but after thinking a bit, I came to understand why the OP did what he did to take the rear diff out of the equation entirely.
I recommend that we name OP DIY mechanic of the year 2017 for having thought through the problem and then doing a whole lot of work to remedy it, all of which work he knows he'll have to repeat when he gets a new diff.


18 Accord Hybrid 10K HGMO 0W-20
17 Forester 24K VME 0W-20
12 Accord LX 96K SSO 0W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i
Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4618986
12/30/17 05:28 PM
12/30/17 05:28 PM
Joined: Jun 2016
Posts: 4,576
MN
oil_film_movies Offline
oil_film_movies  Offline

Joined: Jun 2016
Posts: 4,576
MN
I recommend never installing a new AWD rear diff.
You don't need AWD on an island at that latitude. Snow? Ice? No.

Re: AWD to FWD conversion: done it (temporary) [Re: oil_film_movies] #4619083
12/30/17 07:27 PM
12/30/17 07:27 PM
Joined: Sep 2009
Posts: 16,620
OH
fdcg27 Offline
fdcg27  Offline

Joined: Sep 2009
Posts: 16,620
OH
Originally Posted By: oil_film_movies
I recommend never installing a new AWD rear diff.
You don't need AWD on an island at that latitude. Snow? Ice? No.


An abundance of rain along with high, muddy hillsides?
Yes.
Hence the need for AWD.
Nobody as thoughtful as the OP buys an AWD on a lark, unlike many Sunbelt Subaru owners.


18 Accord Hybrid 10K HGMO 0W-20
17 Forester 24K VME 0W-20
12 Accord LX 96K SSO 0W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i
Re: AWD to FWD conversion: done it (temporary) [Re: andyd] #4619161
12/30/17 09:03 PM
12/30/17 09:03 PM
Joined: Apr 2015
Posts: 494
Reunion Island
Superflan Offline OP
Superflan  Offline OP

Joined: Apr 2015
Posts: 494
Reunion Island
Originally Posted By: andyd
How does it go? You are on a dot in the middle of the Indian Ocean. Resources are limited. Fix it,make do, go without. You made the best of what you had to work with. Bonne Annee grin2

It goes alright! Only have the service light on, and a Check 4WD system displayed on instrument cluster.

Originally Posted By: Linctex
Good on you!

How much to do the repair back to original?

I can source some used rear diff for around 1000 USD + shipping from a salvage yard. Hope Ill find one with no problem. The thing is the service manual says that the output seals are to be replaced each time removing the shafts. Plus Ill need new cv joint boots collars.

Last edited by Superflan; 12/30/17 09:04 PM.

‘01 Peugeot Partner 1.9 D, 5W40 A3/B4, 258000 Km, running on WVO
Wife's ‘01 Toyota RAV4 3-dr 2.0 VVTi, 5W40 A3/B4, 148000 Km
Re: AWD to FWD conversion: done it (temporary) [Re: fdcg27] #4619173
12/30/17 09:18 PM
12/30/17 09:18 PM
Joined: Apr 2015
Posts: 494
Reunion Island
Superflan Offline OP
Superflan  Offline OP

Joined: Apr 2015
Posts: 494
Reunion Island
Originally Posted By: Donald
I would have rented a car while I waited.

Of course, but renting for months is costly, plus the chance of damaging the paint on offroad/dirt roads.

Originally Posted By: ctrcbob
Off Subject.

How far is Mauritius from la Reunion?

I have friends who normally go to Reunion, but this year, they went to Mauritius.

Maybe 150 miles away

Originally Posted By: fdcg27
Well, if the case was split, there'd be no lube at all and the OP was probably afraid that it would lock up in use, with potentially dire results.
My first thought was also simply to remove the driveshaft, but after thinking a bit, I came to understand why the OP did what he did to take the rear diff out of the equation entirely.
I recommend that we name OP DIY mechanic of the year 2017 for having thought through the problem and then doing a whole lot of work to remedy it, all of which work he knows he'll have to repeat when he gets a new diff.

You got it, safety was the concern. As were not rolling on dollars, finding a comfortable ride to rent, plus the fact that it would be damaged, took the rental out of equation. Same with buying another used backup comfortable car.

My wife is a visiting nurse in some difficult access areas. Ground clearance is a must, LSD/antislip is strongly recommended and 4WD is a real comfort.


‘01 Peugeot Partner 1.9 D, 5W40 A3/B4, 258000 Km, running on WVO
Wife's ‘01 Toyota RAV4 3-dr 2.0 VVTi, 5W40 A3/B4, 148000 Km
Re: AWD to FWD conversion: done it (temporary) [Re: fdcg27] #4619234
12/30/17 10:33 PM
12/30/17 10:33 PM
Joined: Apr 2015
Posts: 494
Reunion Island
Superflan Offline OP
Superflan  Offline OP

Joined: Apr 2015
Posts: 494
Reunion Island
Originally Posted By: fdcg27
Originally Posted By: oil_film_movies
I recommend never installing a new AWD rear diff.
You don't need AWD on an island at that latitude. Snow? Ice? No.


An abundance of rain along with high, muddy hillsides?
Yes.
Hence the need for AWD.
Nobody as thoughtful as the OP buys an AWD on a lark, unlike many Sunbelt Subaru owners.


This is it. She had a 2WD Dacia Duster with A/T tires and she would occasionally get stuck (many times a month). I thought she could get away with installing an LSD, but the car needed much suspension job and was at 100000km, she wanted to upgrade to a more comfortable ride so she went to the Koleos in Auto Trans and AWD, along with superior interior trim and all the bells and whistles.

We could have chosen a smaller, LSD modified new car (theres some businesses that do this), but it would have cost the same, plus the fact that we couldnt have traded the old car in.


‘01 Peugeot Partner 1.9 D, 5W40 A3/B4, 258000 Km, running on WVO
Wife's ‘01 Toyota RAV4 3-dr 2.0 VVTi, 5W40 A3/B4, 148000 Km
Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4619453
12/31/17 09:00 AM
12/31/17 09:00 AM
Joined: Feb 2003
Posts: 8,292
Jupiter, Florida
Cujet Offline
Cujet  Offline

Joined: Feb 2003
Posts: 8,292
Jupiter, Florida
Superflan, I'm impressed. That's a lot of work.

You are the only guy I know who maintains his cars by removal of the bad parts smile When the sway bar breaks, remove it, when the differential fails, remove it. Won't be too long before there is nothing left to drive, and a big pile of car parts in the corner.... Dented fender, pull it off. Bad headlight,,, same thing, get rid of it.

(just messin' with you, of course) Again, I am impressed.

I hope you can find a good replacement and get it back to 100%.


People who count on their fingers should maintain a discreet silence.
Re: AWD to FWD conversion: done it (temporary) [Re: Superflan] #4619478
12/31/17 09:34 AM
12/31/17 09:34 AM
Joined: Apr 2015
Posts: 494
Reunion Island
Superflan Offline OP
Superflan  Offline OP

Joined: Apr 2015
Posts: 494
Reunion Island
Indeed, here are the missing parts on this car:

-4WD parts (most) (will be replaced)
-plastic engine cover (noise damping foam went in dust)
-plastic engine bellypan (maybe a good metal skid plate)
-rear window hat (fell off, but like it that way)
-rear sway bar and links
-1 wheel lug nut (Ive put cheap antitheft nuts in place but they are far from perfect)

Here are the broken parts that will be replaced soon by insurance coverage :
-right rear door (severe damage, need replacing)
-front bumper and mounting parts and accessories

And the broken parts that needs repair :
-a power window switch lost its auto-up function
-sunroof shade broken
-FM antenna wiring seems cut, lost RDS and half signal strength
-rear window wiper


‘01 Peugeot Partner 1.9 D, 5W40 A3/B4, 258000 Km, running on WVO
Wife's ‘01 Toyota RAV4 3-dr 2.0 VVTi, 5W40 A3/B4, 148000 Km
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