Wednesday, December 29, 2010

CHECK VCU FREELANDER

Noise from around the VCU is likely to be from the support bearings, so check their condition before replacing the coupling. You may notice drag from coupling when driving or freewheeling at low speed with full lock on the steering. If the car is rolling, it may come to a halt. This is caused by a slight wind up between the front and rear axle assemblies and is a perfectly normal feature of any viscous coupling it’s just especially noticeable on freelander. 
The viscous coupling fails by locking solid and that can cause the tyres to scrub. Test on and empty level hard surfaced car park. Drive forward and walking speed with a tight steering lock. Press the clutch in and the car will come to a halt, which is normal. But if the car halts very quickly then moves backwards, this suggests the VCU is seized the reverse movement being caused by the transmission winding back down.

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