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| | | | Joined: Jul 2005 Posts: 29 Junior Member | | Junior Member Joined: Jul 2005 Posts: 29 | Am learning my new bolt. Setting out to inspect brakes and ran into quandry jacking front end. Drivers and Owner's Manual does not address changing tires or jack points for front or rear wheels. Don't have original jack and am using a sizzors jack. No problem jacking rear with jack under axle. What about front end jack point? Under axle which will compress leaf spring up against frame or under frame where front bumper attaches to frame? TIA
Mike
'27 Chevy
'41 John Deere B
'49 GMC
| | | | | Joined: May 2005 Posts: 314 Shop Shark | | Shop Shark Joined: May 2005 Posts: 314 | If the weight is already on the axle, and you jack under the axle it will not compress the springs any more.
If you jack under the frame, the springs will have to relax completely before the tire starts to come off the ground. | | | | | Joined: Jul 2005 Posts: 29 Junior Member | | Junior Member Joined: Jul 2005 Posts: 29 | Thanks Inky. I'll have another go at it. I started jacking under the axle and watched the leaf spring compress to the point where the rubber bumper on top of the spring was just about to contact the frame... and no suggestion that the wheel was coming off the ground. Looks to me like the wheel isn't going to go up until that rubber bumper makes contact with the frame and at that time I'll be jacking the axle AND the frame.
Mike
'27 Chevy
'41 John Deere B
'49 GMC
| | | | | Joined: Mar 2005 Posts: 627 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 627 | Where to jack your front end? Find a private location for starters!
I use a bottle jack and put it right in the center of the 4 u-bolt nuts if removing a tire. Otherwise to fool with the tie rod and such, I do the same thing and put a block or stand under the axle, then go to the other side. If removing the entire axle, block behind the spring pins. Depends on your goal.
Mike Barnes
1950 GMC 1-ton pickup
| | | | | Joined: Mar 2005 Posts: 12 Junior Member | | Junior Member Joined: Mar 2005 Posts: 12 | Mike
Does your truck have the original type front axle underneath it - or has it been converted to IFS?
If it is the original axle, and you put your jack under the axle, if the wheel doesn't go up with the axle, something terrible is wrong!
If your truck has IFS, put the jack under the lower A-frame.
Am I missing something?
Doug
54 Chevy 3100
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