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by Cees Klumper
13 Jul 2025, 09:37
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Wooosshhh!!!! sound accellerating TURBO

Today, after replacing the brake master cylinder en front brake discs on my 2001 C70 T5 and (of course) bleeding the brake system I went for a test run to check the work and bed in the discs. Everything was A-ok however, close to home as I was returning, which is up a steep hill, I decided to give i...
by Cees Klumper
31 Aug 2025, 10:17
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Re: Request for advice, timing belt quandry

Thanks Neil - yes, unfortunately, I am positive. It was the first thing I checked - removed the serpentine belt, has 0 influence on the noise. The video I took without the serpentine belt on in fact. So it's definitely the timing belt / pulleys / water pump combo.
by Cees Klumper
04 Jan 2026, 12:57
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Re: Thoughts on Injector Cleaner?

About 10 years ago I tested out the usefulness, or lack thereof, of injector cleaners. Bought a generic brand cleaner in our French grocery store and tried it out on both our first gen high-mileage S80 and C70. To my surprise, both cars' fuel economy materially improved - and wasn't bad to begin wit...
by Cees Klumper
04 Jan 2026, 13:09
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Re: 2006 S80 2.5t Reduced Performance Causes

There are almost 100% certain trouble codes, given the messages in the dash. Maybe pay the modest amount needed to get a mobile mechanic who knows what they are doing to come diagnose it. Probably something simple and seems very worthwhile to fix the car. If you can still drive it, you can also go t...
by Cees Klumper
31 Jan 2026, 04:20
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Re: What preventive maintenance are you doing on your P80 850s and S/V70s?

When one of the wheel bearings on my 2002 S80, with 160K miles was starting to fail 2 years ago, I decided to replace all 4, and also all 4 on my 2001 C70, as that had also passed 160K miles. As it turns out (pun intended), all 4 appeared to be in great shape still. But I felt good about having done...