×
BigJimnyMeet (North) 2024 (12 Jan 2024)
BigJimnyMeet 2024
14th July 2024
Parkwood Nr. Leeds
14th July 2024
Parkwood Nr. Leeds
Booking now open - Discount for additional vehicles
Click HERE for details
Click HERE for details
×
A place for general chat about the Jimny. 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.
Suppliers/Dealers or anyone selling with a commercial view in mind CANNOT post here unless responding to a specific request of a member in a "wanted" post.
Suppliers include people "breaking for spares" on a regular basis, when purchasing spares members should ask a supplier what they contribute to the running of the forum particularly if contacted by a Private Message
Suppliers or Members who have contributed to the forum can be identifed by the
logo.
Suppliers/Dealers or anyone selling with a commercial view in mind CANNOT post here unless responding to a specific request of a member in a "wanted" post.
Suppliers include people "breaking for spares" on a regular basis, when purchasing spares members should ask a supplier what they contribute to the running of the forum particularly if contacted by a Private Message
Suppliers or Members who have contributed to the forum can be identifed by the
4WD Speed
- daly443
- Topic Author
- Visitor
-
Public
26 Dec 2009 11:22 #1694
by daly443
4WD Speed was created by daly443
This may seem like a daft question, but here we go:
Does anyone know what speed you can do in 4 wheel drive ? I have read several articles and they suggest that you can only really crawl in 4wd.
The problem we have is that our Jimny will go into 4 wd easily enought, but is difficult to get out of 4wd. I have read on other threads here, that if the car is rocked or moved forward then more often that not, you can select 2wd again.
As this is my wifes car, she wants to use 4wd around the snowy / icy sidestreets, but is worried that when she gets to the gritted main roads, then she will not be able to get our of 4WD.
The other question is it possible just to leave in 4WD for normal road journeys permanently
Cheers
Paul
Does anyone know what speed you can do in 4 wheel drive ? I have read several articles and they suggest that you can only really crawl in 4wd.
The problem we have is that our Jimny will go into 4 wd easily enought, but is difficult to get out of 4wd. I have read on other threads here, that if the car is rocked or moved forward then more often that not, you can select 2wd again.
As this is my wifes car, she wants to use 4wd around the snowy / icy sidestreets, but is worried that when she gets to the gritted main roads, then she will not be able to get our of 4WD.
The other question is it possible just to leave in 4WD for normal road journeys permanently
Cheers
Paul
Please Log in or Create an account to join the conversation.
26 Dec 2009 12:00 #1695
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:4WD Speed
No - don't drive on the roads in 4WD, you will wind up the transmission. At best it becomes impossible to get back into 2WD at worst you break something really expensive.
There are two types of 4WD systems (leaving aside odd technical variations), permanent and part-time.
Permanent systems, such as that fitted to most modern 4x4s like Range Rovers, including a central differential. This central differential allows the front wheels and rear wheels to rotate at different speeds, allowing all 4 wheels to be driven by the engine without stresses building up in the system.
Part-time 4WD, as fitted to the Jimny, does not have this central differential, therefore the front and rear wheels have to rotate at the same speed. This builds up stress in the system that is normally relieved by the wheels slipping on a rough surface (off-road). On road the wheels do not slip and stress builds up until something breaks.
Why do the front and rear wheels have to rotate at differenrt speeds?? Drive your car on a surface that "marks" turning a circle and look at the tracks you have left, the rear wheels have not follwed the same tracks as the front, they have travelled a difference path/distance therefore needed to rotate a a slightly different speed.
So do not use 4WD on a grippy surface
Martin
There are two types of 4WD systems (leaving aside odd technical variations), permanent and part-time.
Permanent systems, such as that fitted to most modern 4x4s like Range Rovers, including a central differential. This central differential allows the front wheels and rear wheels to rotate at different speeds, allowing all 4 wheels to be driven by the engine without stresses building up in the system.
Part-time 4WD, as fitted to the Jimny, does not have this central differential, therefore the front and rear wheels have to rotate at the same speed. This builds up stress in the system that is normally relieved by the wheels slipping on a rough surface (off-road). On road the wheels do not slip and stress builds up until something breaks.
Why do the front and rear wheels have to rotate at differenrt speeds?? Drive your car on a surface that "marks" turning a circle and look at the tracks you have left, the rear wheels have not follwed the same tracks as the front, they have travelled a difference path/distance therefore needed to rotate a a slightly different speed.
So do not use 4WD on a grippy surface
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
Please Log in or Create an account to join the conversation.
28 Dec 2009 19:48 #1724
by wildfire
Replied by wildfire on topic Re:4WD Speed
This has always has puzzled me as the manual as you can put it into 4x4 upto 60 mph.
I have left it in 4x4 for a long time (20 miles) by accident, after dealing with a very slippy wet section of road around here. Nothing bad happened apart from locking up when i was trying to reverse after parking.
But this was before i learnt about diff windup, so i tend to be more careful now days. Live and learn.
I have left it in 4x4 for a long time (20 miles) by accident, after dealing with a very slippy wet section of road around here. Nothing bad happened apart from locking up when i was trying to reverse after parking.
But this was before i learnt about diff windup, so i tend to be more careful now days. Live and learn.
Please Log in or Create an account to join the conversation.
Less
More
- Posts: 891
- Thank you received: 34
- Points: 0.00
29 Dec 2009 08:34 #1725
by ooky_123
Former owner of Little "Ooky", who has now started a new life in Shetland
Replied by ooky_123 on topic Re:4WD Speed
I regularlky slip it into 4WD when driving .. 40 mph or so just to make sure everything is working ./.. the light comes on and the hubs "Ping" into position. do a mile or so and thenslip it out again.
If were in heavy traffic I put it into low range and crawl, occasionally driving up to 4th before looking for an opportunity to stop and putit back in high range. Generally though, I always make sure teh wheels are straight as to avoid windup ... where possible
Jason
If were in heavy traffic I put it into low range and crawl, occasionally driving up to 4th before looking for an opportunity to stop and putit back in high range. Generally though, I always make sure teh wheels are straight as to avoid windup ... where possible
Jason
Former owner of Little "Ooky", who has now started a new life in Shetland
Please Log in or Create an account to join the conversation.
- daly443
- Topic Author
- Visitor
-
Public
18 Jan 2010 18:30 #1931
by daly443
Replied by daly443 on topic Re:4WD Speed
Excellent - Thanks for the advise.
I used 4WD in the aftermath of the latest snow fall, when the roads turned to ice - it certainly did the trick and we reached when others couldnt..
I used 4WD in the aftermath of the latest snow fall, when the roads turned to ice - it certainly did the trick and we reached when others couldnt..
Please Log in or Create an account to join the conversation.
19 Jan 2010 15:55 #1942
by Baz2236
Replied by Baz2236 on topic Re:4WD Speed
This had often confussed me I drove mine jimny about in the snow for ages in 4wd high some times up to 50. In low box I don't go to fast on the road unless it's slippery.
But now any again there is a flood near me it floods across the road and is about a mile long and I always drive that in low box as it's get about 3ft deep in places
But now any again there is a flood near me it floods across the road and is about a mile long and I always drive that in low box as it's get about 3ft deep in places
Please Log in or Create an account to join the conversation.
Less
More
- Posts: 891
- Thank you received: 34
- Points: 0.00
19 Jan 2010 16:22 #1943
by ooky_123
Former owner of Little "Ooky", who has now started a new life in Shetland
Replied by ooky_123 on topic Re:4WD Speed
I wouldn't worry too much ... we regularly run for 10 - 15 miles in Low ratio when green laning.
I always drop into 4L and use 1st / 2nd when fording water or driving through mud.
In snow, I quite frequently mess about with 4wd and 4wd, just to see how far I can get, but have driven 50 plus miles in snow in 4wd. Its just that extra Grip.
Indeed, I have spent all day and done over 100 miles in 4wd switching between High and Low where needed, but keeping the hubs engaged.
At the end of the day its what its there for. Just respect that the handling characteristics at speed may also change
Unless your doing Lock to lock turning, your not going to wind up your transmission.. All your going to do is increase your fuel useage, add extra wear and tear to your low ratio's in the transfer box.
I always drop into 4L and use 1st / 2nd when fording water or driving through mud.
In snow, I quite frequently mess about with 4wd and 4wd, just to see how far I can get, but have driven 50 plus miles in snow in 4wd. Its just that extra Grip.
Indeed, I have spent all day and done over 100 miles in 4wd switching between High and Low where needed, but keeping the hubs engaged.
At the end of the day its what its there for. Just respect that the handling characteristics at speed may also change
Unless your doing Lock to lock turning, your not going to wind up your transmission.. All your going to do is increase your fuel useage, add extra wear and tear to your low ratio's in the transfer box.
Former owner of Little "Ooky", who has now started a new life in Shetland
Please Log in or Create an account to join the conversation.
- Daytona
- Visitor
-
Public
21 Jan 2010 20:21 #1981
by Daytona
Replied by Daytona on topic Re:4WD Speed
Ours is an auto so when switching to and from 4WD I've either been at a standstill and in neutral or no more than walking pace and with the throttle backed off and just applied enough pressure to let the lever slide into position easily, never forced. If it were an manual I'd dip the clutch to reduce any stresses.
Most we've been up to is mid 30s as if the conditions are bad enough to warrant 4WD then anything more isn't much of a priority. Does give a great sense of more control and ability in 4WD over this recently interesting winter and allows you to concentrate more on the hazards. The snow and ice didn't faze it one bit, absolutely love it!
Most we've been up to is mid 30s as if the conditions are bad enough to warrant 4WD then anything more isn't much of a priority. Does give a great sense of more control and ability in 4WD over this recently interesting winter and allows you to concentrate more on the hazards. The snow and ice didn't faze it one bit, absolutely love it!
Please Log in or Create an account to join the conversation.
Time to create page: 0.125 seconds