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Hi All!
I did this to my own ST about a month or two ago and have not had any issues with boiling PAS fluid since. I decided to go down the DIY route as the main brands charge what i personally think is a ridiculous amount for essentially a pipe and connector fittings.
Anyway it only cost me £25 in total (Mountune charge £99 for essentially the same kit).
For the kit you will need:
1 X Fiesta Mk6 power steering cooler pipe, can be found on eBay or at the scrappys.
![Automotive lighting Human body Automotive design Bicycle part Hood]()
2 meters of 10mm ID nitrile hose/pipe
![Eyebrow Hood Eyelash Office supplies Grille]()
1 X 10mm straight connector
![Rectangle Font Automotive lighting Bumper Automotive exterior]()
Jubile clips (can't remember what size or how many but they are to clamp the pipes so I expect them to be 15mm)
Additional PAS fluid
1. Firstly prep the parts you have acquired by cutting the bendy ends off the cooler pipe (it doesn't matter exactly where just as close the the bends as possible. See picture below for reference on where to cut.
2. Secondly you need to remove the headlights and then the front bumper, which is just a few clips and screws in the wheel arch. I'm sure there is a proper guide on this somewhere. Otherwise Haynes will sort you out!
3. You will now need to mount the cooler pipe on the front of the car. There is actually a hole ready for you to screw the cooler in as the fan assembly is the same as 'pov spec' fiesta's. To do this you may need to losen the plastic in the picture, the pipes then fit under this.
![Grille Automotive tire Motor vehicle Vehicle Automotive design]()
4. With the cooler pipe in position you can measure up where to cut the 2 meters of nitrile hose. I found 2 meters to be bang on so only one cut was required. See pictures for how to route them as it's difficult to explain in text. A tip once you have cut the pipe is to assemble the pipes to and from the cooler first, this way once you disconnect the PAS fluid pipe at the resivouir you can stick it into the pipe going to the cooler quickly with minimal mess!
![Vehicle Wheel Vehicle registration plate Tire Car]()
![Hood Automotive tire Automotive lighting Motor vehicle Vehicle]()
![Hood Vehicle Motor vehicle Car Automotive design]()
5. Connect up all the pipes and route them as I have done in the pictures. I cable tied the two pipes near the headlight for tidiness and so that the headlight would fit back in.
6. Top up the resivoir with extra PAS fluid to account for the extra pipe work. I changed mine at this point for ease.
7. Check for any leaks before fitting the bumper.
8. Refit everything back.
9. Test drive it! It was a bit different to drive after but evened out after a day or so once any air had left the system.
This guide is quite basic as I didn't take many pictures or any notes as I went so this is all from memory. If anyone has any suggestions please let me know as I may have missed something basic. Please ask permission before re-posting and I am posting this for reference only and will not be held accountable for any damage cause whilst following this.
Enjoy a cooler PAS system for 1/4 cost!
Nick
I did this to my own ST about a month or two ago and have not had any issues with boiling PAS fluid since. I decided to go down the DIY route as the main brands charge what i personally think is a ridiculous amount for essentially a pipe and connector fittings.
Anyway it only cost me £25 in total (Mountune charge £99 for essentially the same kit).
For the kit you will need:
1 X Fiesta Mk6 power steering cooler pipe, can be found on eBay or at the scrappys.
2 meters of 10mm ID nitrile hose/pipe
1 X 10mm straight connector
Jubile clips (can't remember what size or how many but they are to clamp the pipes so I expect them to be 15mm)
Additional PAS fluid
1. Firstly prep the parts you have acquired by cutting the bendy ends off the cooler pipe (it doesn't matter exactly where just as close the the bends as possible. See picture below for reference on where to cut.
2. Secondly you need to remove the headlights and then the front bumper, which is just a few clips and screws in the wheel arch. I'm sure there is a proper guide on this somewhere. Otherwise Haynes will sort you out!
3. You will now need to mount the cooler pipe on the front of the car. There is actually a hole ready for you to screw the cooler in as the fan assembly is the same as 'pov spec' fiesta's. To do this you may need to losen the plastic in the picture, the pipes then fit under this.
4. With the cooler pipe in position you can measure up where to cut the 2 meters of nitrile hose. I found 2 meters to be bang on so only one cut was required. See pictures for how to route them as it's difficult to explain in text. A tip once you have cut the pipe is to assemble the pipes to and from the cooler first, this way once you disconnect the PAS fluid pipe at the resivouir you can stick it into the pipe going to the cooler quickly with minimal mess!
5. Connect up all the pipes and route them as I have done in the pictures. I cable tied the two pipes near the headlight for tidiness and so that the headlight would fit back in.
6. Top up the resivoir with extra PAS fluid to account for the extra pipe work. I changed mine at this point for ease.
7. Check for any leaks before fitting the bumper.
8. Refit everything back.
9. Test drive it! It was a bit different to drive after but evened out after a day or so once any air had left the system.
This guide is quite basic as I didn't take many pictures or any notes as I went so this is all from memory. If anyone has any suggestions please let me know as I may have missed something basic. Please ask permission before re-posting and I am posting this for reference only and will not be held accountable for any damage cause whilst following this.
Enjoy a cooler PAS system for 1/4 cost!
Nick
