Help.
Hi, I have a land rover discovery 2 2003 and when I am driving sometimes the car will shoot up the rpms very high and slow me down and not let it go over 30 and I park and put it in drive again and it fixes it, what could be the problem? Also my 4wd lo won't let me shift into it, it just gets stuck in neutral and I can't push it into Lo.
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How many miles? Does it seem like the Trans is slipping when it does this? Has the Trans filter or fluid ever been changed?
Lubed the living daylights out of both ends of your hi-lo cable, with WD40, let it soak, lube again, let it soak. Then, the vehicle has to be rolling slightly, about five miles an hour, trans in neutral, while pushing gentle forward to get into low. DO NOT FORCE IT...you will be very, very unhappy if you bend or break the cable ends. Replacing the cable is not fun. Brian. |
Originally Posted by The Deputy
(Post 637232)
How many miles? Does it seem like the Trans is slipping when it does this? Has the Trans filter or fluid ever been changed?
Lubed the living daylights out of both ends of your hi-lo cable, with WD40, let it soak, lube again, let it soak. Then, the vehicle has to be rolling slightly, about five miles an hour, trans in neutral, while pushing gentle forward to get into low. DO NOT FORCE IT...you will be very, very unhappy if you bend or break the cable ends. Replacing the cable is not fun. Brian. |
Any dash/warning lights come on? When you first turn the key to position 2, are all the warning lights present on the dash? im wondering if it’s not going into limp mode where the trans defaults to 3rd gear. |
Originally Posted by landroverdude
(Post 637220)
Hi, I have a land rover discovery 2 2003 and when I am driving sometimes the car will shoot up the rpms very high and slow me down and not let it go over 30 and I park and put it in drive again and it fixes it, what could be the problem? Also my 4wd lo won't let me shift into it, it just gets stuck in neutral and I can't push it into Lo.
first thing I would suggest is checking the transmission fluid level. The ZF units in our Discos are fairly robust. That said, it does need proper fluid to operate correctly. While on a flat surface With the engine running (at temperature - temp gauge needle in the center of the gauge) crawl underneath and remove the trans “fill” plug if Zero fluid trickles out of the fill cavity - it’s low. Add the proper fluid until it begins to trickle out. After filling w/ fluid: Replace cavity fill plug, and Shift through the gears, starting in 1st, every 2-3 seconds shift to the next gear. This will promote fluid dispersement throughout the trans. After completing the procedure remove fill plug and re-check fluid levels. If zero fluid trickles out, repeat the process above until it does. Other issues you you could be looking at are most likely Torque Converer related or burnt clutches... |
While on a flat surface With the engine running...... Shift through the gears, starting in 1st, every 2-3 seconds shift to the next gear. This will promote fluid dispersement throughout the trans. From a LR Trans Manual, Most service station attendants (where they still exist) and owners have learned to check the fluid level hot - which is INCORRECT for a ZF unit. Level must always be checked cold. Checking the level hot will make the transmission appear to be overfilled when in fact it is at the correct level. Underfilling is similar to overfilling - fluid foaming and pump cavitation normally result. Fill/check of fluid level should be done when cold/cool. ...... |
Well **** now I have a bigger problem my rover just did something and broke and it will go in reverse but not go forward it just revs the rpms up, did my transmission just go out?
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Originally Posted by landroverdude
(Post 637516)
Well **** now I have a bigger problem my rover just did something and broke and it will go in reverse but not go forward it just revs the rpms up, did my transmission just go out?
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when I am driving sometimes the car will shoot up the rpms very high and slow me down and not let it go over 30 Also my 4wd lo won't let me shift into it im wondering if it’s not going into limp mode where the trans defaults to 3rd gear. Well **** now I have a bigger problem When do/did the rpms shoot up and at what speed (MPH)? Does this occur when accelerating from a stop or when driving down the road at a steady speed? Does the dash gear position indicate the same as the shift lever position? Do you have access to a code reader? As abran asked do you see the M & S indicator lights. They should be steady in key position 2 and would flash if in the limp Mode. A bad x,y,z switch can prevent shifting into low range and cause shifting problems that are temporarily cleared my shutting down and restarting. You do need to at least check/service the trans fluid level as a start. Your D2 is always in 4WD. ...... |
Originally Posted by number9
(Post 637512)
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From a LR Trans Manual,Shifting through the gears also needs to done when level is first checked to get an accurate level indication. After shutdown fluid from the TC drains back into the pan. Until the shift routine is done fluid level may indicate higher than normal. Fill/check of fluid level should be done when cold/cool. ...... |
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