Auto Gearbox Jatco JF 506 E

ROVER INTERNATIONAL · 30th December 2021, 12:40

This is the only automatic gearbox in our Rover cars (25, 45 & 75 ) paired with all engines, according to documentation. The reverse break band is either snapped or fallen in the gearbox as there heavily going forward and no Reverse either. Is there is a way to hook it back without opening the box ? Can anyone advise ?
PS: I do not get why: " You may not post attachments " ?

another_clean_sheet · 30th December 2021, 13:13

Quote:

Originally Posted by ROVER INTERNATIONAL

This is the only automatic gearbox in our Rover cars (25, 45 & 75 ) paired with all engines, according to documentation. The reverse break band is either snapped or fallen in the gearbox as there heavily going forward and no Reverse either. Is there is a way to hook it back without opening the box ? Can anyone advise ?
PS: I do not get why: " You may not post attachments " ?

I think you need to be a subscribed member. See button on top right hand side of screen. Well worth £10

slovcan · 30th December 2021, 14:04

Quote:

Originally Posted by ROVER INTERNATIONAL

This is the only automatic gearbox in our Rover cars (25, 45 & 75 ) paired with all engines, according to documentation. The reverse break band is either snapped or fallen in the gearbox as there heavily going forward and no Reverse either. Is there is a way to hook it back without opening the box ? Can anyone advise ?
PS: I do not get why: " You may not post attachments " ?

Well, are you really sure your reverse brake band is has broken? I seem to recall there was an issue on the early model years that the reverse piston would crack and cause the loss of reverse gear. This issue was fixed in subsequent years with an updated piston. Or, something to that effect. Hoping someone with a better memory can elaborate. Either way, I think your transmission will have to be opened up.

As for posting attachments, it may be possible after you have made a minimum number of posts - 10 maybe?

mbonwick · 30th December 2021, 16:20

Most likely a cracked reverse piston.
Gearbox will need opening up but can be done without taking it from the car.

xsport · 30th December 2021, 16:40

there is also a bolt which must not be disturbed , and can be mistaken for the ATF drain plug. if it has been then its a strip down job. reverse gear is lost apparently , and the bolt has to be rectified from within the box. there is a detailed post on here if you do a search for cracked reverse piston repair . up on the google search bar above.

slovcan · 30th December 2021, 16:43

Quote:

Originally Posted by xsport

there is also a bolt which must not be disturbed , and can be mistaken for the ATF drain plug. if it has been then its a strip down job. reverse gear is lost apparently , and the bolt has to be rectified from within the box. there is a detailed post on here if you do a search for cracked reverse piston repair . up on the google search bar above.

Oh yeah, I forgot about that little hornet's nest. An accident waiting to happen for those who don't know and don't pay attention to the details of the manual.

xsport · 31st December 2021, 11:10

the O.P does not mention if the ATF has been changed or indeed has the CORRECT type of fluid or even enough fluid to the CORRCT level. the other thing is that the car is a 2005 year and should have the thicker re enforced reverse piston. however it could still be the problem. he should start with the basics first i think. correct fluid type change and then move forward from there.

COLVERT · 2nd January 2022, 13:50

Go for the cheapest option.

Have the gearbox drained and re-filled with the correct fluid first.

Rich in Vancouver · 2nd January 2022, 20:28

For reference this picture shows the dreaded bolt that releases the reverse band. (Marked in red).
The green marked bolt is the plug to remove when checking the fluid level.
Why they didn't lockwire or otherwise secure the reverse bolt I have no idea.

MarkS · 3rd January 2022, 18:37

Is this a view of the top, bottom, left, right, front or rear of the auto gearbox ?

30th December 2021, 12:40	#1
ROVER INTERNATIONAL Newbie ROVER 75 1.8i Join Date: Mar 2011 Location: Cluj-Napoca Posts: 8 Thanks: 0 Thanked 0 Times in 0 Posts	Auto Gearbox Jatco JF 506 E This is the only automatic gearbox in our Rover cars (25, 45 & 75 ) paired with all engines, according to documentation. The reverse break band is either snapped or fallen in the gearbox as there heavily going forward and no Reverse either. Is there is a way to hook it back without opening the box ? Can anyone advise ? PS: I do not get why: " You may not post attachments " ? __________________ Thank you,

2nd January 2022, 20:28	#9
Rich in Vancouver Gets stuck in MG ZT-T Join Date: Jun 2016 Location: White Rock, BC on Canada's Pacific Coast Posts: 849 Thanks: 338 Thanked 367 Times in 210 Posts	For reference this picture shows the dreaded bolt that releases the reverse band. (Marked in red). The green marked bolt is the plug to remove when checking the fluid level. Why they didn't lockwire or otherwise secure the reverse bolt I have no idea. __________________ ZT-T190, Anthracite, LHD, Left the Line on June 24, 2002, Sold new in Switzerland, spent time in Germany, Imported to Canada in September 2021 Last edited by Rich in Vancouver; 2nd January 2022 at 20:32..

30th December 2021, 16:20	#4
mbonwick Gets stuck in Connoisseur SE 1.8 Auto Saloon Join Date: Jul 2015 Location: Kendal Posts: 633 Thanks: 129 Thanked 176 Times in 147 Posts	Most likely a cracked reverse piston. Gearbox will need opening up but can be done without taking it from the car.

30th December 2021, 16:40	#5
xsport Posted a thing or two rover 75 club se Join Date: Apr 2011 Location: Leicester Posts: 1,646 Thanks: 358 Thanked 419 Times in 310 Posts	there is also a bolt which must not be disturbed , and can be mistaken for the ATF drain plug. if it has been then its a strip down job. reverse gear is lost apparently , and the bolt has to be rectified from within the box. there is a detailed post on here if you do a search for cracked reverse piston repair . up on the google search bar above.

31st December 2021, 11:10	#7
xsport Posted a thing or two rover 75 club se Join Date: Apr 2011 Location: Leicester Posts: 1,646 Thanks: 358 Thanked 419 Times in 310 Posts	the O.P does not mention if the ATF has been changed or indeed has the CORRECT type of fluid or even enough fluid to the CORRCT level. the other thing is that the car is a 2005 year and should have the thicker re enforced reverse piston. however it could still be the problem. he should start with the basics first i think. correct fluid type change and then move forward from there.

2nd January 2022, 13:50	#8
COLVERT This is my second home R75 Saloon. Join Date: Feb 2009 Location: France/or Devon. Posts: 14,003 Thanks: 3,851 Thanked 2,167 Times in 1,816 Posts	Go for the cheapest option. Have the gearbox drained and re-filled with the correct fluid first.

3rd January 2022, 18:37	#10
MarkS Gets stuck in Rover 75 Diesel Tourer, called Perseverance Join Date: Nov 2011 Location: Bournemouth Posts: 664 Thanks: 189 Thanked 157 Times in 108 Posts	Is this a view of the top, bottom, left, right, front or rear of the auto gearbox ?