Results 1 to 4 of 4

Thread: possible AFM issue causing converter and trans issue??

  1. 17th November 2013, 12:56 PM #1
    Pacemaker's Avatar
    Pacemaker
    Pacemaker is offline Master
    Join Date
    Jan 2011
    Location
    Gold Coast
    Posts
    287
    Total Downloaded
    0

    possible AFM issue causing converter and trans issue??

    Hi there,
    I have just got the disco registered on friday. Took it for its first long drive sbout 450km round trip.
    Ive had the trans out and put a seal kit though the pumpbecause it was leaking alot of oil.
    Now when cold its holding first gear until i hit about 4000 rpm. When the cars warm shifts normally. The other issue is the converter locks at 80 kms hr but when i hit any incline or just want to accelerate the engine rpm will increase by 3-400 rpm. For example i will cruising along at 100 doing 2200 rpm come to a hill and the eng will rev to 2600rpm maintaining the same speed. When i get to the top i take my foot off the throttle and the eng is back to 2200.
    I have done the stall test and couldnt get the revs over 2750. I have also fitted another second hand maf (unsure of condition) and it didnt change in any way. Any ideas?
    Regards,
    Michael.
    Reply With Quote Reply With Quote
  2. 17th November 2013, 12:58 PM #2
    Pacemaker's Avatar
    Pacemaker
    Pacemaker is offline Master
    Join Date
    Jan 2011
    Location
    Gold Coast
    Posts
    287
    Total Downloaded
    0
    Forgot to ad that i hadnt driven the disco much at all as i bought it unregistered a couple weeks ago. Therefore i dont know how long its been doing it.
    Thanks. Michael
    Reply With Quote Reply With Quote
  3. 17th November 2013, 01:19 PM #3
    PhilipA
    PhilipA is offline Swaggie Subscriber
    Join Date
    Jan 1970
    Location
    Avoca Beach
    Posts
    14,152
    Total Downloaded
    0
    They drop out of lock with heavy accelerator on hills and relock when you ease off to help with climbing.
    That is , if the transmission IS locking.
    You should be able to hold lock down to around 70KMH by keeping the accelerator depression small on hills and letting the speed decay a bit.

    The cold holding of first is more of a worry as in a mechanical ZF , it is a sign of a sticking governor and indicates a rebuild in the near future. I don't know how that equates in an electronic one. Maybe a sticking solonoid.

    Regards Philip A
    Reply With Quote Reply With Quote
  4. 17th November 2013, 07:37 PM #4
    twr7cx
    twr7cx is offline YarnMaster Supporter
    Join Date
    Feb 2011
    Location
    Hobart, Tasmania, Australia
    Posts
    3,828
    Total Downloaded
    0
    The MAF sensor does effect the trannys behaviour. Faulty and Non-genuine MAF's can have a negative effect on the transmission.
    Reply With Quote Reply With Quote
« Windscreen/Bonnet Drain | rear hub oil leak with loose nut. »

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules

Search AULRO.com ONLY!
 Search All the Web!