What happened to your Discovery 2 today?

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Originally Posted by Markf

Drove to Melbourne and back yesterday - around 350km. On the way back a slight vibration at around 80kph under acceleration in a very narrow speed band. Today went down the shops and heard a few chirps from around the front end. Since I'm basically a pessimist I had a feel of the front prop shaft uni's but no there's no play that I can feel. Went down the shops again and it's a lot more "chirpy". When I think back a bit - last week what sounded a bit like a staccato slipping belt was evident for a few km's along the freeway so I'm about 100% convinced the front prop shaft is about to explode in a blizzard of shrapnel 'n stuff.
It's done well. This is the original at 375kkm's.

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Sounds like a few sparrows under the bonnet?

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Originally Posted by Bohica

Sounds like a few sparrows under the bonnet?

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Yep and it's not the exhaust manifold - I checked that out thoroughly. I reckon that given the age of the prop shaft that's got to be where the noise is coming from.

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Originally Posted by Markf

Drove to Melbourne and back yesterday - around 350km. On the way back a slight vibration at around 80kph under acceleration in a very narrow speed band. Today went down the shops and heard a few chirps from around the front end. Since I'm basically a pessimist I had a feel of the front prop shaft uni's but no there's no play that I can feel. Went down the shops again and it's a lot more "chirpy". When I think back a bit - last week what sounded a bit like a staccato slipping belt was evident for a few km's along the freeway so I'm about 100% convinced the front prop shaft is about to explode in a blizzard of shrapnel 'n stuff.
It's done well. This is the original at 375kkm's.

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Maybe the harmonic balancer - mine chirped when in it's death throes

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Originally Posted by Markf

Yep and it's not the exhaust manifold - I checked that out thoroughly. I reckon that given the age of the prop shaft that's got to be where the noise is coming from.

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Get under it and have a look. Move the shaft laterally.

20161222 134914 - YouTube

If that's the original front shaft Markf at 375k I'll eat my hat. I'm on my third and at 220k. 70k of which is mine.

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Originally Posted by onebob

Maybe the harmonic balancer - mine chirped when in it's death throes

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I don't think so - the chirping is road speed related and not engine speed related. The vibration especially happens at around 80kph in fourth or fifth gear.

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Originally Posted by Bohica

Get under it and have a look. Move the shaft laterally.

20161222 134914 - YouTube

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What about your version[bigrolf]

20161230 104543 - YouTube

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Originally Posted by Bohica

Get under it and have a look. Move the shaft laterally.

20161222 134914 - YouTube

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There is an almost non discernible amount of play there. After a short drive the centre of the double cardan joint is quite warm to touch - no hot but quite warm. There's a bit of rotational play there too.

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Originally Posted by gusthedog

If that's the original front shaft Markf at 375k I'll eat my hat. I'm on my third and at 220k. 70k of which is mine.

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I got the car at ~320k km with a VERY complete service and repair record - service book stamped as well as receipts for everything right down to a servo in Seymour changing a headlight bulb. There's no record of a new prop shaft there so given the completeness of the service and repair records I _assume_ that I'm still on the original. The previous owner spared no expense and if it needed doing he got it done pronto I reckon.
I may be wrong of course and the prop shaft may have been changed along the way but the records that I have don't show it.

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Originally Posted by rangieman

What about your version[bigrolf]

20161230 104543 - YouTube

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Both of those are mine! The first one is under the car.