jimmygixer Posted October 12, 2013 Share Posted October 12, 2013 The sills aren't looking at their best on my car. Every time i jack the car up they get worse with slight bending and deformation. Most of the cars ive had do this and i can never find another accessible part to jack from with a trolley jack. Sills on cars never seem strong enough. Ive seen on some audi's rubber jacking points under the cars which is a good idea. Quote Link to comment Share on other sites More sharing options...
georgen Posted October 12, 2013 Share Posted October 12, 2013 Jacking with trolley jack onto sills isn't the best, so if you have too stay at front and rear where you would put standard emergency jack and you could get a block of wood about an inch thick and cut a groove in it for the sill lip to fit into, this should protect the lip and also spread the pressure across the block and not press in two small places on the jack cup. Quote Link to comment Share on other sites More sharing options...
jimmygixer Posted October 12, 2013 Author Share Posted October 12, 2013 Jacking with trolley jack onto sills isn't the best, so if you have too stay at front and rear where you would put standard emergency jack and you could get a block of wood about an inch thick and cut a groove in it for the sill lip to fit into, this should protect the lip and also spread the pressure across the block and not press in two small places on the jack cup. I thought about the block of wood with the groove before, but i was concerned that the part that the wood touches above the sill lip would not take the weight. Quote Link to comment Share on other sites More sharing options...
georgen Posted October 12, 2013 Share Posted October 12, 2013 I thought about the block of wood with the groove before, but i was concerned that the part that the wood touches above the sill lip would not take the weight. make the groove and lip take the weight, difference is lip wont deform as its in groove, do groove deep enough that block stops mm or so short of the contour of the sill, the point is not to balance a cars weight on the edge of a lip with a very small contact point with jack. Quote Link to comment Share on other sites More sharing options...
wase16ll Posted October 12, 2013 Share Posted October 12, 2013 would never recommend jacking on sills unless there is a specific strong point to take a jack. easy way round it is to use the car jack till you have enough room to get a trolley jack in. Quote Link to comment Share on other sites More sharing options...
jimmygixer Posted October 12, 2013 Author Share Posted October 12, 2013 make the groove and lip take the weight, difference is lip wont deform as its in groove, do groove deep enough that block stops mm or so short of the contour of the sill, the point is not to balance a cars weight on the edge of a lip with a very small contact point with jack. Makes Sense, Cheers. Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted October 13, 2013 Share Posted October 13, 2013 Use a jack pad- http://www.ebay.co.uk/itm/Rubber-pad-rubber-block-hydraulic-ramp-jack-rubber-pads-jacking-pad-adapter-/261303224187?pt=UK_Lifting_Moving_Equipment&hash=item3cd6e2c77b Quote Link to comment Share on other sites More sharing options...
STEADS Posted October 13, 2013 Share Posted October 13, 2013 When jacking up any car I use the bottom of the wishbone under the big bush on the front and the middle of the axle on the rear can't go wrong no sills to naff up and no underseal to take off chassis Quote Link to comment Share on other sites More sharing options...
Gary3059 Posted October 13, 2013 Share Posted October 13, 2013 When jacking up any car I use the bottom of the wishbone under the big bush on the front and the middle of the axle on the rear can't go wrong no sills to naff up and no underseal to take off chassis Same here,however if the cars to low then use the car jack to lift enough to get the trolly under,oh and never ever rely on the jack alone,always use axel stands Quote Link to comment Share on other sites More sharing options...
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