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Scrap or repair? Advice please

857 Views 22 Replies 5 Participants Last post by  DieselBound
Looking for advice. I’m in the UK I have a 2004 W211 E320 petrol with 117,000 miles. I’ve owned it 3 years and it’s been generally reliable but in retrospect, I don’t think I bought a well looked after vehicle and it already has a faulty parking sensor which is not a cheap fix with the bumper off. Anyway, in December I spent £1500 on new discs and pads and Michelin tyres and a few other repairs. Then I started getting terrible mpg and error messages. The garage have just read the fault codes and I’ve got the beginnings of a failing ABS pump (causing grazing brake pads, hence poor mpg) and leakage in the suspension air compressor. Each of them expensive fixes more than the value of the car unless I use reconditioned parts. I had been considering changing it anyway for something cheaper to run and in better condition but it’s such a lovely car to drive. I certainly can’t justify the cost of required new parts, but could possibly stretch to used or reconditioned parts. Alternatively, cut my losses sell it for scrap, buy a W211 diesel or a modern hatchback lol! At the moment, it’s still running fine, except for the mpg, any suggestions?
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Brake job was botched. Maybe guide pins were not properly lubed which is causing pad to hang. ABS light may not be pump. It could be speed sensor which is an affordable fix. Swap air suspension for coil overs and do not look back. On a side note, you need a second opinion. Mechanics will say a lot of things to get jobs.
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Taking your advice guys, I drove 2 miles this evening and the back brake discs were redhot. Front discs weren’t even warm. The fact that it’s so localised and it’s the back discs and pads that were replaced when the problem started points to calipers so I’m going to get them checked out this week. Thanks for advice.
Hoping for positive outcome. ABC is going to be a problem in the future. Take a look at spring conversion kits:

Another possible cause is flexible brake lines are bad. They can fail internally and become check valves, so they will allow brake fluid pressure to build, but won't allow the pressure to release. If the pressure can be released by opening the bleeder valve, that's your problem.
Good point. Since rotors were changed, calipers were removed. If the gorillas did not properly secure calipers, they stretched rubber brake lines which is always bad.
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