automaic transmission oil radiator (AL4 overheating)

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My Name: simuzer

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Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 218000
Trim Level: SX
Gearbox: Other
DPF: No
LHD or RHD: LHD (Europe)
Engine name: TU3 (75 PS)
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hi all,

I'm sorry for my bad english first. :roll:

I've c3 2003 1.4i bva petrol automatic..

* snow and sport light was flashing..
* Sometimes, Although i was not going to press the gas.
* When the gear 3rd gear to 4th gear, was left undecided. It suddenly slows down. So, 5-10 seconds sport and snow light flashing.. And then go on normally.

I had some problem with automatic transmission.

automatic transmission was repaired. Some parts changed inside. changed solenoid valves.

Now..
In heavy traffic, stop-and-go,(stop and go, stop and go, for 10-15 and over minutes) the gear can remain undecided in the transition from 3 to 4. It suddenly slows down. So, 5-10 seconds sport and snow light flashing.. And then go on normally.

i have lexia..

automatic transmission oil temperature seems to over 100 degrees in heavy traffic.. Other times about 90 degrees..

I wonder where the transmission fluid is cooled ?
There are two radiators in my car .. What are these?

Because of stone smashed the shutters side ..

i want to change radiator.. so, are problems (automatic transmission problems..) solved

thank you all.

Citroen C3 radiator
Citroen C3 radiator
Citroen C3 radiator
Citroen C3 radiator
Citroen C3 radiator
Citroen C3 radiator
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My Name: Arfur Dent

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Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
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simuzer wrote:I wonder where the transmission fluid is cooled ?
AL4 oil to water cooler takeoff point
AL4 oil to water cooler takeoff point
565.jpg (14.15 KiB) Viewed 265 times
Number 5, its a transmission oil to water (engine coolant) cooler.


The water is cooled by this radiator:
Citroen C3 radiator
Citroen C3 radiator
1526.jpg (43.58 KiB) Viewed 264 times
i want to change radiator.. so, are problems (automatic transmission problems..) solved
If you fix this first, you may solve your other problem? Its worth a try :)

Special coolant for the C3 - citroen-c3-tips/citroen-c3-coolant-t40.html
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User avatar
My Name: Arfur Dent

Guru
Posts: 3303
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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i have lexia..
What faults does lexia show for your automatic gearbox - sport and snow flashing?
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User avatar
My Name: simuzer

Experienced Member
Posts: 52
Joined: Thu May 02, 2013 1:39 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 218000
Trim Level: SX
Gearbox: Other
DPF: No
LHD or RHD: LHD (Europe)
Engine name: TU3 (75 PS)
Location: istanbul - Turkey
Has thanked: 4 times
Been thanked: 2 times

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Thanks a lot :lol:

So, I want to reduce the temperature of transmisson oil.. how do?

i see "slip clutch" on Lexia...
User avatar
My Name: Arfur Dent

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Posts: 3303
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 258 times
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simuzer wrote:i see "slip clutch" on Lexia...
Sounds like one of the clutches is slipping.
simuzer wrote:So, I want to reduce the temperature of transmisson oil.. how do?
Repair the slipping clutch would be my suggestion. Slipping clutch creates friction which makes heat, which heats the oil....
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User avatar
My Name: simuzer

Experienced Member
Posts: 52
Joined: Thu May 02, 2013 1:39 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 218000
Trim Level: SX
Gearbox: Other
DPF: No
LHD or RHD: LHD (Europe)
Engine name: TU3 (75 PS)
Location: istanbul - Turkey
Has thanked: 4 times
Been thanked: 2 times

Post

there are two radiators..

one of them, The water is cooled by this radiator.. (first or second?)
the other one, what does ?
1st and 2nd radiator on schema
1st and 2nd radiator on schema
1st radiator
1st radiator
2nd radiator..
2nd radiator..
I understood the part No. 5.
its a transmission oil to water (engine coolant) cooler ;)

How does circulate oil,
where to go
oil where it goes
oil where it goes
Is it possible, for c3
external oil cooler.PNG
thanks all again.
User avatar
My Name: Arfur Dent

Guru
Posts: 3303
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 258 times
Been thanked: 111 times

Post

simuzer wrote:there are two radiators..

one of them, The water is cooled by this radiator.. (first or second?)
the other one, what does ?
for the climate control?
simuzer wrote:I understood the part No. 5.
its a transmission oil to water (engine coolant) cooler ;)

How does circulate oil,
where to go
It goes like this
oil cooler AL4 gearbox
oil cooler AL4 gearbox
simuzer wrote:Is it possible, for c3
Image
I don't know what this is cooling? But I don't understand how it can repair your slipping clutch (as lexia says you have).
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User avatar
My Name: simuzer

Experienced Member
Posts: 52
Joined: Thu May 02, 2013 1:39 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 218000
Trim Level: SX
Gearbox: Other
DPF: No
LHD or RHD: LHD (Europe)
Engine name: TU3 (75 PS)
Location: istanbul - Turkey
Has thanked: 4 times
Been thanked: 2 times

Post

i know exactly now..

Thank you all again..
radiator lines.PNG
User avatar
My Name: simuzer

Experienced Member
Posts: 52
Joined: Thu May 02, 2013 1:39 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 218000
Trim Level: SX
Gearbox: Other
DPF: No
LHD or RHD: LHD (Europe)
Engine name: TU3 (75 PS)
Location: istanbul - Turkey
Has thanked: 4 times
Been thanked: 2 times

Post

now,
oil temperature 119 C degree.. i think so high ?
Temporary fault - clutch slipping - lexia
Temporary fault - clutch slipping - lexia
Temporary fault - clutch slipping - lexia
Temporary fault - clutch slipping - lexia
Temporary fault - clutch slipping - lexia
Temporary fault - clutch slipping - lexia
Lexia screen AL4 - oil temperature
Lexia screen AL4 - oil temperature
User avatar
My Name: Arfur Dent

Guru
Posts: 3303
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 258 times
Been thanked: 111 times

Post

simuzer wrote:now,
oil temperature 119 C degree.. i think so high ?
I don't know what the temperature should be, but the fault you show in your lexia screen captures in not a temperature fault. If there was a temperature fault, I would expect lexia to log a fault for it.
Lexia Screen AL4 gearbox
Lexia Screen AL4 gearbox
1556.jpg (33.57 KiB) Viewed 263 times

Lexia has detected faults with the clutch/brake parts.
If you clear the code does it come back?

Lexia thinks you have a problem with a slipping clutch.
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