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Cayenne74
Trainee


Joined: 13 Dec 2018
Posts: 59



PostPosted: Fri Apr 26, 2019 8:12 am    Post subject: Reply with quote

My car doesn't have air, just steel springs.

Unfortunately I have to drive over about 9 speed bumps to get out of the estate where I live then another 5 or 6 on the road outside the train station. I then have to do it all again on the way home. It must take some toll on the car. I thought they'd be easier in a higher 4 x 4 SUV than my last car (a lowered Alfa 159 saloon) but I guess the damage is the same no matter what you drive. At least I don't have to slow down to an almost standstill in the Cayenne to clear them!

Car is in the garage now having the new arms fitted........
 
  
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Cayenne74
Trainee


Joined: 13 Dec 2018
Posts: 59



PostPosted: Fri Apr 26, 2019 5:21 pm    Post subject: Reply with quote

And car now back. Wallet is £424 lighter after having both front arms fitted and also for a pre-mot check and front wheel alignment done. Arms were £242 on top of that cost so it's beans on toast for next month.

Brakes all round to do now too before the MOT........
 
  
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6963
Location: Brighton


PostPosted: Fri Apr 26, 2019 7:21 pm    Post subject: Reply with quote

Yup .. i'm afraid speed bumps are not good for any car of any make .

Steel springs are pretty bullet proof though .. i've only once seen a coil spring snapped on the rear of a cayenne .. and thats in 15 years so far !

brakes as i've mentioned .. light on first .. get the most out of them as they are not cheap .. ouch Sad
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Mechanic

7pm - 9pm

Now At An Indy.
 
  
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Cayenne74
Trainee


Joined: 13 Dec 2018
Posts: 59



PostPosted: Tue Apr 30, 2019 5:09 pm    Post subject: Reply with quote

So, better mpg today. Went up north and done a 320 mile round trip. Brimmed the tank with super and amazingly still have over a quarter of a tank left (Mark did predict this to be fair). My 'range' is telling me I still have 200 miles left in the tank but it likes to lie to me. I guarantee that after three 4 mile runs to the train station this week the light will be on!!! Computer is saying 26.7mpg for today.
 
  
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Cayenne74
Trainee


Joined: 13 Dec 2018
Posts: 59



PostPosted: Sat May 04, 2019 5:10 pm    Post subject: Reply with quote

So, getting ready to do my brakes soon and took a look at front and rear to get my head round it, see if it was any different from other cars I've worked on in the past. I was looking at where the brake pad wear sensors connect to on the car and noticed that both the fronts on mine do not seem to be connected. The connector that comes from the brake sensor is tie wrapped to the leg of the suspension but it appears that the connectors from the old sensors are still plugged in and the wires cut. See pic

I guess my question is would I not be getting a fault on the dash if the sensors weren't connected? Is there a reason why they wouldn't have plugged them in when the pads were changed - some kind of fault? The chap I bought it off told me he had the pads replaced so they must have been done in under the last 2 years given how long he owned the car for.
 



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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6963
Location: Brighton


PostPosted: Sat May 04, 2019 6:11 pm    Post subject: Reply with quote

If the brakes have been changed then i would suspect the .. er .. rather cheap mechanic changed the brakes but not the sensor wires .

What you have there is a bypass .. wires twisted together makes the car think the pads are fine .. on a normal sensor then as the pads wear it cuts through the wires , when an open circuit happens you get the brake warning light on .



Btw .. when you remove the caliper on these undo the screws that hold the pipe to the upright arm , allen key and a Torx at the top from memory .... pretty obvious but as i'm here already .....
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Cayenne74
Trainee


Joined: 13 Dec 2018
Posts: 59



PostPosted: Fri May 10, 2019 4:11 pm    Post subject: Reply with quote

Thanks, will do. Going to change them in a week or so.

Achieved my highest miles per tank yet on a week away up north - 475 miles! Cost £120 for that mind you!!!

I also sprayed my spare gearshift surround as I wasn't happy with the finish on the replacement one I bought and fitted. I sanded it back then done a few coats of primer, some top coats of silver wheel paint then 3 coats of clear lacquer. Looks much better now.
 



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Cayenne74
Trainee


Joined: 13 Dec 2018
Posts: 59



PostPosted: Mon May 27, 2019 10:04 am    Post subject: Reply with quote

Changed all the brake discs and pads on Friday. Glad I had access to a four post lift, no way I could have done it in the driveway. It turns out the rears had the sensor bodge done to them too, although they had completely removed the sensors from the pads on those ones. Nice that they completely disregarded safety. They used Mintex brake pads which is why I think they never refitted the old sensors to the rears - ironically the anti-squeal backing bit covers the little recess that the sensor fits into so you would have had to try and cut this off to fit the sensor. Getting the old bolts that hold the calipers on was the toughest bit with the rears being the worst due to access. A lot of stuff gets in the way back there! I also had to go and buy a 16mm spline set to get the bolts off. Not sure why they used these at the back but not at the front?!

Anyway, new discs, pads, fitting kit and sensors all on and working great. I used Brembo pads and Pagid discs and they all seem to be good quality. MOT on Thursday so hopefully all should go well for that.
 
  
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