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AWD Discussion A forum dedicated to the AWD systems fitted to Volvo cars. |
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XC70 2004 - Haldex 2 or Haldex 3 ?Views : 4808 Replies : 12Users Viewing This Thread : |
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Sep 18th, 2018, 11:42 | #11 | |
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Location: Newcastle
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Quote:
I have read a thread about replacing the filter with out removing propshaft/exhaust which involved re using the concave filter cover, because the finned new cover could not be squeezed into the space available. This may not be an issue if the prop is removed, but shows the two parts are interchangeable. Cheers Bob |
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Sep 27th, 2018, 19:24 | #12 |
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Last Online: May 14th, 2024 11:00
Join Date: Sep 2018
Location: St-Yrieix-la-Montagne
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Thanks, Bob.
(I couldn't find this bookmark, hence the delay) I now have a filter and oil for the haldex 2 or 3. I raised the car up to give plenty of space to get in and out but couldn't get the first nut off of the exhaust. There was not space to use a grinder so the car is booked in to the local garage. Thanks to all who read and especially to all who contributed their experiences. Derek |
Oct 16th, 2018, 19:12 | #13 | |
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Last Online: May 14th, 2024 11:00
Join Date: Sep 2018
Location: St-Yrieix-la-Montagne
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I visited my garage last Thursday evening 18:00. We spent and hour and a half trying to disconnect the prop-shaft from the haldex. Le garagiste contacted Volvo the next day. There are no tricks to removing the unit. It's stuck. I returned today. Le garagiste used a bigger hammer - and in the right place. The pump was then removed and air pressure used via the oil-level plug-hole to remove all of the old oil. Absolutely clean oil. Refill was via a tube with a tap, and funnel. This contraption was held by mechanic 2 whlist up a ladder. The haldex wasn't working because it had lost oil, therefore was lacking the required pressure to drive the unit. The leak was located as coming from the filter cap. The replacement cap is aluminium and ribbed with cooling fins, so no chance of distortion due to heat. There is no way that I could have accomplished this work. Air-powered wrenches were much in evidence, the car in the air, etc., etc. So, the haldex 2 and haldex 3 share the same filter. My 2004 xc70 has a haldex 2 unit, never serviced. Whilst under the car, we found 2 other problems. If I had been doing the work lying on my back, I would not have seen these, and (of course) I would not have been able to do the job. I couldn't even get the first nuts off of the exhaust. Thanks to all who contributed. Job complete. Derek |
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