What colour is the grease?
If it is an opaque dark grey graphite colour, then you have a damaged CV joint boot. This will need sorting ASAP - if you get to it quickly, then you are looking at just a boot change (£10 + labour), whereas if it gets left, the joint itself will wear, and you could be looking at a complete new joint (£100 or so + labour).
Rgds
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Sean - Independent Motor Vehicle Technician (retired)
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'07 Audi B7 RS4 quattro saloon (8EC) 4.2 FSI V8 32v (BNS) (with CSiC Audi ceramic brakes) - WOW
'06/7 VW A5 Golf Mk5 GTI 5dr 2.0T FSI (BWA) DSG, fully loaded, colour coded, 
'98/9 Honda CBR600FX, the blueberry trifle 
'03 Audi B6 S4 quattro saloon (8E) 4.2 V8 40v (BBK) 6sp manual, fully loaded (gone, but not forgotten) |