VW Polo 2002 power assist in steering suddenly failed

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DIY67

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Earlier this week I parked up my 23 year old Polo to find that that power assist had completely stopped with a warning on the dash indicating a problem. I checked the level of fluid in the tank and it looks normal. Then I tested the alternator and battery with a multimeter. Battery read 12.6 volts resting. And ticking over it was 14.6. The lowest reading (on starting up) was 8.97.

What else could I try please as I was hoping it was going to be something as simple as the fluid ? Thanks
 
Check all your fuses and if they’re okay, check this fusible link.

 
Possibly a burnt out power steering pump, or water ingress into the pump controller (located in the left inner wing, a known issue).
 
It could be that the pump that has failed, as suggested above.

Find out where it’s located. Put your ear near it, and see if you can hear a whirring noise. Not really the best test, but can point an arrow somewhere.

And, of course, before replacing the pump check for the power feed, signal and ground.

BTW - has this problem occurred before, or has it unexpectedly occurred recently?
 
Jurassicspark said:
It could be that the pump that has failed, as suggested above.

Find out where it’s located. Put your ear near it, and see if you can hear a whirring noise. Not really the best test, but can point an arrow somewhere.

And, of course, before replacing the pump check for the power feed, signal and ground.

BTW - has this problem occurred before, or has it unexpectedly occurred recently?
Click to expand...
It has never occurred before in my 14 years of ownership. I think I used to hear a whirring noise in the seat when about to start up now you mention it. I'll check that tomorrow.
 
Look the wheels on one side and gently turn the steering wheel to lock.
You should hear the pump making noise.
If it doesn't then check pump connection and eventually the pump itself.
 
DIY67 said:
It has never occurred before in my 14 years of ownership. I think I used to hear a whirring noise in the seat when about to start up now you mention it. I'll check that tomorrow.
Click to expand...

A whiring noise could be absolutely anything - motorised ventilation flaps, fuel pumps etc..
 
Well, after checking the fuse, battery and fluid my mechanic told me there isn't anything else he can think of. He said it's silly money to have it replaced and probably better scrapping. Gutted as it's a very good car that has just passed it's MOT.
 
DIY67 said:
Well, after checking the fuse, battery and fluid my mechanic told me there isn't anything else he can think of. He said it's silly money to have it replaced and probably better scrapping. Gutted as it's a very good car that has just passed it's MOT.
Click to expand...
Is it ? really even the most expensive pump for these is £254 from VW and what £150 to fit.. warranty secondhand is about 75 + 150 fit.... where are you going to get a reliable car for £400 ?
 
DIY67 said:
Well, after checking the fuse, battery and fluid my mechanic told me there isn't anything else he can think of. He said it's silly money to have it replaced and probably better scrapping. Gutted as it's a very good car that has just passed it's MOT.
Click to expand...

Join a forum which specialises in the marque, and ask the question in there. They will, at least, be able to refer you to someone who knows their way around the vehicle.
 
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