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3rd December 2019, 12:34 | #1 |
Posted a thing or two
Rover 75 Saloon MGZT Join Date: Jul 2012
Location: Perth, AUSTRALIA
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crank pulley - Dmgr
had an issue i thought with the aircon compressor when switched on sounded like a bearing gone. got local mechanic to check it out, he stated he thought the aircon compressor was gone as when switched on noise started.
As a new one is about $800 aud got one from a breakers for $250, mechanic fitted it then rings me and said the noise is still there and they found it was the harmonic balancer (crank pulley). Never heard of a kv6 crank pulley going. Hard to find a kv6 harmonic balancer over here. Stupid money over here ($800) so just bought one from Dmgr for a decent price. Hope their freight times are decent to Australia as the cars left at the mechanics. The car is starting to cost big bucks !! |
3rd December 2019, 15:00 | #2 |
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Rover75 and Mreg Corsa. Join Date: Nov 2006
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Hello Peter, the KV6 crankshaft pulley has a similar rubber interleaf design to the diesel's and can eventually suffer similar problems, delamination causing rotational slippage and rubber fatigue cracking causing increased noise.. Though much more common in the diesel, the KV6 isn't without crankshaft stress and some pulleys eventually succumb. There are several threads about it around the 75/ZT forums and the odd video on YouTube.
TC |
3rd December 2019, 16:22 | #3 | ||
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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Quote:
Quote:
Simon
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"Whatever is rightly done, however humble, is noble." Sir Henry Royce. |
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4th December 2019, 11:13 | #4 |
Posted a thing or two
Rover 75 Saloon MGZT Join Date: Jul 2012
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hi simon, yes, they think they found it was the crank pulley making the noise as they marked the inner and outer of it and found when started , the pulley was very hot and the mark had shifted a fare bit apart so appears it knackered.
Pain in the butt as they initially diagnosed the aircon compressor, just as well i bought a used one and didnt go buy a new one!! Dmgr has cheapest crank pulleys i could find but again will have to wait for it to arrive. Anyone know how dmgrs shipping is since the new guy took over? |
4th December 2019, 11:20 | #5 | |
Posted a thing or two
Rover 75 Saloon MGZT Join Date: Jul 2012
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Quote:
There a hard part to find for the kv6. As said , last list price from Rover was $1,200 from an ex dealer, put an “L” on the end of the part nunber and it becomes a landrover part, $750 aud !! |
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4th December 2019, 17:44 | #6 | |
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Rover75 and Mreg Corsa. Join Date: Nov 2006
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Quote:
Clearly, slippage is the first stage of failure so you are wise to consider the implications. The ability or otherwise to reliably set the crankshaft in the 'safe' position is obviously an important aspect, though there are clearly others. TC |
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