Question about 2001 Lexus LS 430

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Lost all transmission oil when pipe to cooler in rad broke. Replace and refilled gearbox but now car will only travel from cold about 400M before all gear s are lost. Gear box oil is on correct mark on dipstick.

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Posted on Jan 02, 2017

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SOURCE: Lexus LS 400 Auto box oil level

if its for the transmission you have to check it while he car is running...if its for the oil you have to go it without it running and if its over the full mark on the oil you will need to drain some of it

Posted on Feb 14, 2009

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mkv0525
  • 358 Answers

SOURCE: Slow Shifting Transmission When Cold

thats is normal for almost all the toyota's
the trans has to get to operating temp before it starts to shift normal.

Posted on Jun 25, 2009

  • 235 Answers

SOURCE: Gearbox problem

I would start out changing The transmission fluid and filter .

Posted on Apr 04, 2014

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1 Answer

Change transmission cooler lines


Hi,when you buy the new lines just look at the front cooler rad and mach the ones with the ones that are on the car,you will just need a couple of tools,open ended spanner maybe alain keys or screwdriver for clips,when you open the nut that holds the pipe into the rad get the finger of a rubber glove and put a bit of tissu in it,and put it in the glove,then push the rubber in the rad tissu on the outside,this is to plug the hole so as not to loose fluid from the rad,undo on gearbox end,and replace the new one,then do the same with the other one,hope this was some help,all the best.

Sep 07, 2015 | 2009 Ford Escape

1 Answer

Transmission fluid in radiator could lines be switched


no way you need a new rad to solve this one the internal tube has split or broke ,just disconnect the pipes and seal the rad connections up with a couple of blanking plugs to stop the water leaking out then the transmission pipes you make a nice sort square round out of some copper plumbing pipe and connect this to the transmission pipes from the gearbox run in front the AC rad and this will save you from buying a new rad which the last time i bought one for this motor was about 550 euros as i couldnt one made by a recon company only original part from deal;er

Jun 06, 2012 | 1996 Plymouth Grand Voyager

1 Answer

The oil cooler has broke mixing the gearbox oil and coolant is this a big job


yes its expensive ,so disconnect the oil cooler pipes from the rad then buy some copper pipe about a 1/4 then make a nice few tubes with a plumbers pipe bender and make it fit infront of the rad or the ac rad where applicable then use a compression joint to connect it all up this will work just as well ,seal up the oil connection on the radiator with a couple of blanking plugs and away you go

May 11, 2012 | Cars & Trucks

2 Answers

Hi, i have automatic passat 1999 model and recently water happens to get into the gear box and it control board, i experiences a boom sound anytime the gear is changed, the oil has been changed by the...


If no external leak and the transmission fluid colour looks white, the problem belongs to the automatic gearbox oil cooler. The oil cooler has broke mixing the gearbox oil and coolant causing this milkshake. It's a small radiator core type oil / water heat exchanger. It is cracked inside and transmission oil is mixed with engine coolant. Because the transmission oil pressure is greater than engine coolant pressure, the transmission fluid level drops. See also the coolant colour inside recovery coolant reservoir inder bonnet! It could be like this:

tdisline_495.jpg
The automatic gearbox oil cooler type oil / water heat exchanger (oil cooler):

tdisline_496.jpg
In the picture above the transmission oil pan was removed for oil filter replacement.

May 05, 2011 | 1999 Volkswagen Passat

1 Answer

Transmission fluid level need regular top up and there is no external leak.Fluid color looks white.


If no external leak and the transmission fluid colour looks white, the problem belongs to the automatic gearbox oil cooler. The oil cooler has broke mixing the gearbox oil and coolant causing this milkshake. It's a small radiator core type oil / water heat exchanger. It is cracked inside and transmission oil is mixed with engine coolant. Because the transmission oil pressure is greater than engine coolant pressure, the transmission fluid level drops. See also the coolant colour inside recovery coolant reservoir inder bonnet! It could be like this:

9d86426.jpg

The automatic gearbox oil cooler type oil / water heat exchanger (oil cooler):

138b4e6.jpg
(In the picture above the transmission oil pan was removed for oil filter replacement).

Oct 29, 2010 | 2005 Audi A4

1 Answer

2000 audi s8 4.2 oil in water . no water in sump and runs on all cylinders smooth . could it be the oil cooler.


Oil in water could be a leak at the cylinder head gasket. Oil pressure is much higher than coolant pressure so oil will more readily push into water passageways than vice versa. The other alternative you have hit on is that it could be a leak from the transmission oil cooler pipes. Check that the pipes enter the bottom of the radiator> It may be that the oil is cooled by an entirely independent cooler rad in which case there is no opportunity for transmission oil to ever come in contact with the coolant. The check the first possibility, from cold start the car with the coolant filler cap removed. Is the coolant agitated, ignition gases are just as likely as oil to blow past the gasket. Next have the coolant system pressure tested at a garage. They will be able to monitor coolant pressure throughout the duty cycle of the engine: no pressure at cold rising to about 7lbs per sqinch when hot. If the coolant pressure spikes to 15lb or more when cold this is sign of oil or combustion gas pressure ingress. If this detected, at best a new gasket is required and maybe a new cylinder head (if cracked).

Oct 07, 2010 | 2001 Audi S8

2 Answers

Trans fluid getting into rad causing overheating


The only way it can get in the rad is internally.You need to replace the radiater or take to a rad shop to see if can be recored.

Oct 19, 2009 | 1989 Mazda 323

1 Answer

What is the cooling agent used for the transmistion cooling? is it oil? There is an oil type substance coming from the radiator area.


The transmission cooler is mounted either in front of the coolant radiator or it is part of it. The auto transmission oil comes from the gearbox (hot) via small pipes it is then passed through the cooler and back into the gearbox. If you have signs of oil around the front of the radiator then you need to get it looked at ASAP. If you loose too much fluid you will damage the transmission and if the cooler splits you may end up with engine coolant in the transmission oil (not good as it will screw up your transmission very quickly)

Apr 07, 2009 | 1999 Jeep Grand Cherokee

1 Answer

I have a mercedes c200 automatic and the pipe from the gearbox to the front of car and returns is leaking what i think is a cling pipe for the transmission fluid but my car wont move from second gear?


The pipe going to the front of the car is going to the oil cooler, then returns back to the gear box.Replace the pipe and check the oil level. with the engine running.

Mar 11, 2009 | 2000 Mercedes-Benz C-Class

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