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A place for more technical discussions. Please make sure you post in the correct section on the site, this way it keeps the site tidy AND ensures you get a more relevant answer.
Broken 4wd Jimny 2002
10 May 2009 06:46 #666
by Ipplepen
Broken 4wd Jimny 2002 was created by Ipplepen
Hi everyone - great to find the forum!
I have a 4wd problem - in the begining I thought my auto hubs were not working but have ruled this out. I have jacked up rear of care removed hubs at front and can observe the drive shafts ends turning when in 4wd & in gear. What is not so good is that I can stop shaft rotation by gripping them with mole grips!
Am I right in my thinking that this most likely due to worn out/broken CV's?. I cannot get the CV's to make any noises.Is there any way I can test them further?
I also have noticed a lot of end float at the drive shaft end - is that typical?
If I go a head and replace both cv's can anyone point me towards a supplier, I have found the cv joint for 83UKP's + vat each on the web. Is that the right sort of price?
Would it be advisable to replace the king pins at the same time to - I don't have any symptoms of a king pin problem, but am wondering how they respond to being taken apart and reassembled.
Any thoughts to help me decide what to do next would be timely!
I have a 4wd problem - in the begining I thought my auto hubs were not working but have ruled this out. I have jacked up rear of care removed hubs at front and can observe the drive shafts ends turning when in 4wd & in gear. What is not so good is that I can stop shaft rotation by gripping them with mole grips!
Am I right in my thinking that this most likely due to worn out/broken CV's?. I cannot get the CV's to make any noises.Is there any way I can test them further?
I also have noticed a lot of end float at the drive shaft end - is that typical?
If I go a head and replace both cv's can anyone point me towards a supplier, I have found the cv joint for 83UKP's + vat each on the web. Is that the right sort of price?
Would it be advisable to replace the king pins at the same time to - I don't have any symptoms of a king pin problem, but am wondering how they respond to being taken apart and reassembled.
Any thoughts to help me decide what to do next would be timely!
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10 May 2009 07:52 - 10 May 2009 07:55 #669
by mlines
Martin
2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
Replied by mlines on topic Re:Broken 4wd Jimny 2002
Having sat down and thought about it, I cannot see quite what is wrong.
Let me review what you have said...
1. You have jacked up the rear of the car so that the rear wheels are not on the ground
2. You have removed the front hubs so the front wheels are unlocked, but they are still on the ground.
3. You have put the car in gear
4. You have put the car in 4WD
5. When you run the engine all wheels/shaft ends turn ok.
6. You can stop individual drive shafts with your hands (well with molegrips)
This all sounds normal to me. If you are stopping a driveshaft then the differential transmits all the power/motion to the wheel on the other side. This is the normal action of a differential.
A better check would be...
1. Re-install the locking hubs, lower the car so all wheels are on the ground
2. Run the engine for a few minutes to create a vacuum, and put into gear and 4WD,
3. Stall the engine by letting up the clutch with the brakes on. LEAVE THE IGNITION IN THE FULLY ON position. check you can hear a click from the hubs as you select 4wd in and out.
4. Jack up one wheel at a time, leave the others on the ground.
5. You should NOT be able to turn the jacked up wheel. Any wheel you can turn is the faulty one. Either the hub or the CV if it is a front wheel.
6. If everything is ok send me the money you were going to spend on a CV
Martin
Let me review what you have said...
1. You have jacked up the rear of the car so that the rear wheels are not on the ground
2. You have removed the front hubs so the front wheels are unlocked, but they are still on the ground.
3. You have put the car in gear
4. You have put the car in 4WD
5. When you run the engine all wheels/shaft ends turn ok.
6. You can stop individual drive shafts with your hands (well with molegrips)
This all sounds normal to me. If you are stopping a driveshaft then the differential transmits all the power/motion to the wheel on the other side. This is the normal action of a differential.
A better check would be...
1. Re-install the locking hubs, lower the car so all wheels are on the ground
2. Run the engine for a few minutes to create a vacuum, and put into gear and 4WD,
3. Stall the engine by letting up the clutch with the brakes on. LEAVE THE IGNITION IN THE FULLY ON position. check you can hear a click from the hubs as you select 4wd in and out.
4. Jack up one wheel at a time, leave the others on the ground.
5. You should NOT be able to turn the jacked up wheel. Any wheel you can turn is the faulty one. Either the hub or the CV if it is a front wheel.
6. If everything is ok send me the money you were going to spend on a CV
Martin
Martin
2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
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