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Buddy2000
Joined: 21 Aug 2019 Posts: 2 Location: Brisbane
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Posted: Wed Aug 21, 2019 2:23 Post subject: Transmission Overheating |
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Hi
I've got an issue with my 96 L400 2.8T Auto Transmission, It was working fine , i changed the front crank seal and to remove the radiator i just clamped the oil cooler pipes as i have done many times before. It was left like this for about 2 weeks and when it was put back together the transmission works fine but seems to boil up the fluid when I go around the block. I have checked for blockages in the cooler pipes and cooler and also changed the fluid but no joy. I have been told there may be a solenoid that would reduce oil flow and cause overheating if it wasn't working properly. Any ideas? |
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Posted: Wed Aug 21, 2019 2:23 Post subject: Google Ads keep this community free to join! |
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Lewis Site Admin
Joined: 25 May 2006 Posts: 16296 Location: Huddersfield
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Posted: Wed Aug 21, 2019 8:38 Post subject: |
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Why did you remove the radiator ? _________________
Copyright is retained for all my photos. Please don't copy them without asking permission
Do not blindly go where the path may lead you. Go where there is no path and leave a trail that others may follow!
ルイス |
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YOZA
Joined: 07 Mar 2005 Posts: 2423 Location: The centre of the universe
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Posted: Wed Aug 21, 2019 8:41 Post subject: |
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Change the feed and outlet pipes that you clamped, as you may have crushed them.
Flush out radiator as sediment accumulates at the base of the rad were the cooler is sited.
Make sure the oil level is right by dipping the level as shown in the book, if you don't do it as stated the levels will read differently each time. _________________ Artificial intelligence is no match for natural stupidity.... |
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YOZA
Joined: 07 Mar 2005 Posts: 2423 Location: The centre of the universe
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Posted: Wed Aug 21, 2019 9:17 Post subject: |
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Lewis wrote: |
Why did you remove the radiator ? |
My guess would be to get his buzz gun in to undo the crankshaft pulley bolt. _________________ Artificial intelligence is no match for natural stupidity.... |
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Lewis Site Admin
Joined: 25 May 2006 Posts: 16296 Location: Huddersfield
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Posted: Wed Aug 21, 2019 22:20 Post subject: |
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Easy enough to get them swapped without removing the Rad. _________________
Copyright is retained for all my photos. Please don't copy them without asking permission
Do not blindly go where the path may lead you. Go where there is no path and leave a trail that others may follow!
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Buddy2000
Joined: 21 Aug 2019 Posts: 2 Location: Brisbane
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Posted: Thu Sep 26, 2019 6:15 Post subject: |
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Hi Guys sorry for the delay, unexpected trip.
okay so I have fully checked for any blockages and flushed the ATF three times as it was a bit black
Now if I check the ATF when cold it is okay. If I take round the block to normal operating temperature then check the level it is halfway up the dipstick.
Still drives okay but when pulling away when hot the power jumps in about a second after pressing the accelerator. |
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andyman
Joined: 08 Dec 2012 Posts: 5602 Location: Penrith
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Posted: Thu Sep 26, 2019 20:20 Post subject: |
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I take it you are keeping it in Drive while waiting for the lights to change? (My L300 takes a second or two to engage drive after pushing the lever from N to D, so I give it that second before pressing the throttle pedal.) _________________ Andy C L300 Super Exceed - over 100 smiles per gallon! |
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Soulman Lifetime member
Joined: 01 Sep 2009 Posts: 638 Location: Bedfont, Middlesex
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Posted: Fri Sep 27, 2019 18:57 Post subject: |
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To check the gearbox oil when hot you must check it with the engine running at idle in neutral after first cycling the gearbox through all selector positions there should be a hot mark on the dip stick. Under or over filling can lead to frothing which will result in erratic performance. |
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