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Groundhog
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PostPosted: Tue Feb 18, 2020 14:49    Post subject: Reply with quote

Update.

Having convinced myself it was stuck between 2 and 4wd I trailered the car to a gearbox specialist. It turns out dual mass flywheels don't give any warning of impending doom after all, and mine's self destruction along with the associated damage to the clutch was the problem all along.

I ordered a single mass conversion kit from an outfit that go by the name of Nationwide Clutch Distributors UK. I only mention their name as a warning to others. They promised next day delivery on four occasions over a week when they didn't even have the kit in stock, then dispatched it the day after I cancelled the order. I'm now in the midst of an eBay dispute attempting to retrieve my money and force them to uplift the unwanted item at their own cost.

Back to the car. The new clutch is working well, but there are now a couple of new issues.

Firstly, there is a locking pin on the front diff which seems to be something to do with selecting 4wd. This pin sometimes licated and sometimes didn't. The garage cleaned it up in an ultrasonic cleaner which seems to have done the trick.

The second issue is more troublesome. The transfer box indicators keep flashing when 4wd is selected. The garage have checked the switches on top of the gearbox and the selector motor and everything appears to check out ok. They are now suggesting it's a job for an auto electrician. So what's the likelyhood of a clutch failure and electrical problem happening simultaneously?
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PostPosted: Tue Feb 18, 2020 14:49    Post subject: Google Ads keep the POCUK free to join!


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NJV6
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PostPosted: Sat Feb 22, 2020 9:46    Post subject: Reply with quote

Is it just the orange c/d light that’s flashing?
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Groundhog
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PostPosted: Sun Feb 23, 2020 11:41    Post subject: Reply with quote

Thanks for replying.

The gearbox specilists seem to have sorted it out, at lease in part. It selects 2wd no probs, but has to travel about 100yds before 4wd engages, and the lights flash for these 100yds. It may just be something sticking a bit.

Anyway, I drove it 40mls home without a problem, except that the ABS and both traction control lights are now iluminated!! Evil or Very Mad
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Simon_W
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PostPosted: Sun Feb 23, 2020 17:09    Post subject: Reply with quote

Groundhog wrote:
Thanks for replying.

The gearbox specilists seem to have sorted it out, at lease in part. It selects 2wd no probs, but has to travel about 100yds before 4wd engages, and the lights flash for these 100yds. It may just be something sticking a bit.

Anyway, I drove it 40mls home without a problem, except that the ABS and both traction control lights are now iluminated!! Evil or Very Mad


If you regularly move from 2WD to 4WD it keeps the system working smoothly and quickly. When I got my Challenger six years ago it took ages for the flashing light to go solid or clear. Now it's pretty much instant. Same for Low and the centre diff lock if you've got a soft surface near that you can use it on.

Your ABS and traction lights might have been caused by somebody dislodging a wire/ABS sensor when accessing the front axle lock.  It's possibly not a coincidence.
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assassin
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PostPosted: Mon Feb 24, 2020 5:18    Post subject: Reply with quote

Agree with Simon.

Are you switching between 2H and 4H correctly as there is a procedure for this, you select 4H with your steering wheel straight and on a trailing throttle, if you turn or accelerate the system prevents it switching until it senses everything is correct.
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Groundhog
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PostPosted: Mon Feb 24, 2020 10:30    Post subject: Reply with quote

Thanks guys.

I'm unlikely to change from 2 to 4wd on the move, can't remember ever doing that, so don't think that's going to be an issue, just a case of keeping everything moving.

Re-  Your ABS and traction lights might have been caused by somebody dislodging a wire/ABS sensor when accessing the front axle lock.  It's possibly not a coincidence.  Are these accessable?
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Simon_W
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PostPosted: Mon Feb 24, 2020 11:15    Post subject: Reply with quote

Groundhog wrote:
Thanks guys.

I'm unlikely to change from 2 to 4wd on the move, can't remember ever doing that, so don't think that's going to be an issue, just a case of keeping everything moving.

Re-  Your ABS and traction lights might have been caused by somebody dislodging a wire/ABS sensor when accessing the front axle lock.  It's possibly not a coincidence.  Are these accessable?


If you've got a Mk2 or later, it's no problem engaging 4WD on the move. It's designed to do it, and on the move means you can do it whenever the mood takes you rather than having to stop the vehicle. I run my Challenger in 4WD most of the time, and then switch into 2WD every so often to keep the mechanism moving.

There's a toothed rotor attached inboard of each brake disk. You'll see each has a sensor that 'reads' the teeth on the ring and provides a signal back to the ABS system. Once you've found the sensors, inspect the wiring and connectors to make sure they are OK.
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Groundhog
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PostPosted: Tue Feb 25, 2020 10:08    Post subject: Reply with quote

Thanks Simon. Do the ABS sensors have something to do with the traction control as well, or is that yet another issue? Rolling Eyes
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Simon_W
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PostPosted: Tue Feb 25, 2020 10:42    Post subject: Reply with quote

Groundhog wrote:
Thanks Simon. Do the ABS sensors have something to do with the traction control as well, or is that yet another issue? Rolling Eyes


The ABS sensors feed info about the rotation of the wheels to both the ABS and M-ASTC (Mitsubishi Active Stability & Traction Control) controllers.  So highly likely to be one and the same cause.
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assassin
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PostPosted: Wed Feb 26, 2020 4:37    Post subject: Reply with quote

Simon_W wrote:
Groundhog wrote:
Thanks Simon. Do the ABS sensors have something to do with the traction control as well, or is that yet another issue? Rolling Eyes


The ABS sensors feed info about the rotation of the wheels to both the ABS and M-ASTC (Mitsubishi Active Stability & Traction Control) controllers.  So highly likely to be one and the same cause.


Not highly likely, they do.

They use the same signals for both systems.
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Simon_W
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PostPosted: Wed Feb 26, 2020 9:22    Post subject: Reply with quote

assassin wrote:

Not highly likely, they do.

They use the same signals for both systems.


That's what I wrote. However there's still a possibility of a separate fault on each system.  I agree it's not at all likely, but it's there.
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Groundhog
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PostPosted: Wed Feb 26, 2020 17:22    Post subject: Reply with quote

That's this weekend's job booked then.
Thanks again.
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assassin
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PostPosted: Wed Apr 01, 2020 4:44    Post subject: Reply with quote

Simon_W wrote:
assassin wrote:

Not highly likely, they do.

They use the same signals for both systems.


That's what I wrote. However there's still a possibility of a separate fault on each system.  I agree it's not at all likely, but it's there.


I agree, but faults such as wiring faults on other systems can also cause issues on these systems and also be a pig to find.
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