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  • Similar Content

    • By crwarren11
      Hi all,
      2000 Boxster Tiptronic with 113k mi.  I recently removed the transmission to deal with another issue, but while doing so some of the brittle SAI hoses cracked and/or became disassembled.  I have replaced the cracked lines (i.e. not all of the lines) and reconnected according to the following picture, with the exception that I have a Tiptronic and there is a hose that runs to a changeover valve on the transmission:

      I get the typical SAI codes, P0410 (80) and P1411 (208), about every 150mi driven.  Otherwise the car drives great...SAI pump is running and holding air as usual.
       
      Presumably, I have something connected incorrectly, possibly with respect to connection to the transmission changeover valve.  The one thing I notice different than before removing the transmission is that the car seems to be running cooler than before.  I suspect this could be caused by the changeover valve for the transmission as I think it controls the flow of coolant to the ATF cooler (not sure about this and hoping for clarification).  The other thing that I don't really suspect, is that the new hoses used do not have the small bulbed end to help with that snap-fit into the intake sleeves. 
       
      I have not found a good image showing the SAI hose routing for a 986 Tiptronic, so if anyone knows of one I would be very grateful.  I have the Bentley manual which also does not show a Tiptronic-specific diagram for SAI routing.
       
      Any other ideas or does this sound like simply incorrect hose connections?
       
      Many thanks for your input!
       
       
    • By Angel Martin
      I need to replace the ATF wiring harness in my 2002 986 w/ tiptronic due to a defective temperature sensor that forms part of it. I have been unable to find any information as to what it entails and / or how it can be replaced.   Appreciate any insight. 
    • By TNT79Bronco
      I need some help reconnecting the vacuum hoses on my '03.  Had to remove tiptronic to repair it, and either have a broken vacuum hose, and/or am as lost as I can be.  I can't figure it out.   Here is the vacuum diagram from the trunk.  Part of the problem is, that I can't identify all the parts.
       


      The "white" connector goes into the intake.  Off of that is a "Y".  The "Yellow" line (vacuum hose) goes nowhere that I can tell.  I am sure it connects somewhere, I just can't tell where.  It is long.
      The "Pink" end of the "Y" is open.  I am sure something sticks in there, just not too sure what.
      The "Green" line (vacuum hose) connects to what I believe is the Resonance Flap Valve.  However, it is either broken (and connects with the "Blue" line (vacuum hose)), or inserts into the "Pink" end of the "Y".  Not too sure which.

      The other end of the "Blue" line (vacuum hose) connects to a 4 way "Cross fitting", that connects to the vacuum reservoir.  Shown as connection #1 below.
      I guess the upper end of the "Blue line" (vacuum hose) could connect to the "Pink" arm of the "Y".  Again, not too sure.
      It is entirely possible, that the "Blue" and "Green" line is a broken line.  If this is the case, not too sure what would plug into the "Pink" on the "Y".

      #2 "White" line (vacuum line) attaches to a switch, that I believe is associated with the tiptronic transmission.  The lower end of the hose connects to the "Cross" fitting that is by the vacuum reservoir.
      The "Purple" line (vacuum line) is attached to a valve that controls coolant that goes to the tiptronic.
      #3 Line disappears somewhere deep into the engine somewhere.
       
      Can anyone help?
       
      Thanks!
       
    • By TNT79Bronco
      I had a bearing/seal failure in my 2003 Boxster w/ Tiptronic, and need to replace the torque converter and the oil pump.  I have removed the transmission from the car and taken off the pan, filter, torque converter, and the control valves.  I have also removed all the bolts from front of the oil pump housing.  In online videos, they show two plastic tubes that need to be removed, before the pump will pull out.  These were on ZF5HP19 transmissions for BMW and other cars.  However, the Tiptronic  for our cars, Boxsters, is a ZF5HP19FL.  A slightly different monster.
       
      When I try to pull on the oil pump, to remove it, it doesn't budge. I don't want to go forcing it, without knowing the proper steps to remove it.
       
      Does anyone know the proper steps to remove the oil pump?
       
       


    • By SteveTTT
      Can anyone offer advice on this please. The car is a recent purchase, 2002 4S Coupe with 92k miles. Drove fine for the first month, but now a whining noise sounds as if it’s is coming from somewhere behind the dash/firewall/front axle area. The whine varies with engine speed/gear selection, so it presumably can’t be from the tiptronic transmission or front axle otherwise it would vary with road speed. However, the noise completely disappears when the a/c blower is turned off. I’m not great on electrics but was wondering if the blower fan might be failing and needing more alternator output at higher revs? I haven’t noticed anything untoward on the voltmeter. The a/c needs a re-gas, but I can’t think that can have any relevance? Any thoughts much appreciated.
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