MINI COOPER power steering

**SIMCAR2** · 10th February, 2010, 06:48 PM

HI

I have problem with power steering from MINI COOPER 1.6L year 2004.
When the car is cool, power steering don't work and it is impossible to connect diag.
When power steering work the diag take 0 fault.

An idea????????

Thanks

**cristec** · 10th February, 2010, 06:51 PM

Hi pump failure is very common on these, check that plug and socket to pump is not corroded or burnt, if OK replace pump assembly.

HTH

**SIMCAR2** · 10th February, 2010, 07:02 PM

ok

where is ecu of power steering?
Have you wiring?

**cristec** · 10th February, 2010, 09:56 PM

Hi I think the controller for the power steering is built into the pump assembly.

**SIMCAR2** · 11th February, 2010, 12:05 AM

have you wiring?

**foxtec800** · 11th February, 2010, 07:52 AM

check wiring under air filter/battery case as they wear through at that point, done one yesterday.

**SIMCAR2** · 11th February, 2010, 07:08 PM

OK

Could you explain me with more detail your failure?

Thanks

**foxtec800** · 12th February, 2010, 07:48 AM

remove battery and casing ,look on top of gearbox just behind thermostat housing, main live and earth are together in shielded plastic casing which is clipped to underside of battery box, thats where our one had worn right through 6mm positive wiring..hope yours is the same...

**cars** · 13th February, 2010, 04:24 PM

Check the status of the connectors on the fuse box (Maxi fuse) and power steering, it can heat and make bad contact.

**drivergabriel** · 16th February, 2010, 10:38 PM

,,Check the status of the connectors on the fuse box (Maxi fuse) and power steering, it can heat and make bad contact. ''

and try to locate the power relay for servotronic and inspect it! if your pump work hard the temp in this relay it will be to big and then stop to work...The reason it failed is the relay for it is inside. Thats what failed. Thus no power to run the pump. Is it common.

**San1** · 5th July, 2010, 09:13 PM

Just for information....Info from a BMW chap....over time the carbon brushes wear and the dust falls onto the electronics inside the pump that cause these failures. Also if you have a cooling fan under the pump like on my cooper s, check to see if it spins freely. Sometimes they pick of leaves or stones. Mine was jammed and just by removing it, it now spins ok. These pumps are usually repaired by removing, opening (some connections have to be cut and re-soldered), dust is solvent clean away, lubricated and resealed. Will be recondition mine very soon. It starts to make a lot of noise and the headlights dim when the steering is turned. Hope this helps. This is only one of the problems on my cooper s- the rocker gaskets and clutch are also known to fail.

**wzsola** · 31st July, 2010, 02:09 PM

Hi,
I have a problem with mini power steerling. The pump is always running. I find the problem, the power fets in controller are fault. I can change that fet but i don't know what type is.
Could you help me with controller repair?
Thank you.

**valer750** · 16th August, 2010, 12:57 PM

Originally Posted by wzsola

Hi,
I have a problem with mini power steerling. The pump is always running. I find the problem, the power fets in controller are fault. I can change that fet but i don't know what type is.
Could you help me with controller repair?
Thank you.

Ihad the same problem...I have cleaned the electronic inside from brush dust, and it was ok...but not imidiately, afeter two days it began to work properly...It was two years ago, and I had no diagnostic stuff, so I dont know, if there was an error stored

**wzsola** · 23rd August, 2010, 07:51 PM

Hi,
I changed the wrong FET. I tried the wrong FET insted of IRF1405PBF
The steerling is working, everything is ok.
Sorry my english, not my native language.
Regards.