papafrancisco

I need to remove the knock sensors to drain the coolant on my 96 LT1. The jack stands appear to be more affordable, easier to store and more versatile (like removing tires). My question is where do I place them on the car for raising the front and the back (different times of course).

Square

There are several lift points on the C4. One of them is an area behind each front wheel and in front of each rear wheel on the sides of the car. If you look below the doors, you will see 2 small triangles spaced about 4 inches apart, behind/in front of each wheel. The jack/stand goes between the triangles. Be careful when placing a jack/stand there, as the fuel lines run just behind those points on the drivers side, and the brake lines run just behind the points on the passenger side.

pianoguy

http://tinyurl.com/5wuoqt

StealthLT4

Here's the way I do it for the front; put the jack on the factory jack points, and jack it up. Then put the jack stand on the flat piece that sort of completes the triangle with the lower control arm. It's flat and very sturdy; been doing this for a while now with no problems. For the rear, jack up the jacking points and place the stands on the rails as they curve inward.

Also, if you have a low-profile jack, you can slip it under the front bumper and jack up the front support, under the radiator. Makes it a lot faster than jacking each side.

Andrew

I didn't type fast enough! Pianoguy beat me to it. That is a great write-up.

jrp

I have a run-of-the-mill Craftsman jack, and I can do this simply by driving (or lifting) onto a 2x4 on one side.

XQIZT

on my z51, i have no problem lifting an entire side at once. i place my jack just behind the edge of the side mirror. get it just high enough to get the stands into position in the front and back at the locations described in other posts. then move to the other side and repeat, but go as high as your stands will accommodate. then return to the first side and lift to the highest point so the car is now level. you'll have all 4 wheels off the ground and plenty of room underneath to work. just be careful and make sure the car is secure before going under it.

Weav's Vet

I do mine this exact same way. Except I start at the rear with the jack. Just slip the stands under there and that's it. You may not be able to tell exactlly where they are put but in the video in my signature there are a couple of shots at the end of my stands in place. May help you some.

Pianoguy's link is perfect though.

papafrancisco

I appreciate all the responses. I am apparently making this more difficult than it actually is. For examples where the triangles are located there is a veruical seam and it appears the body is slightly lower than the stell. Not only that the brake line is just on the other side. Do I put the lift jack on the seam and than put the jack stands on the seam behing the wheels(s)? At first I could not see how you can both lift at the triangles and putthe stands in the same position. I saw where response was to drive the front wheels on 2x10's to raise the car for a slightly higher jack (i.e non low profile) which makes good sense. If I try to rasie by the cross member, can I do so from the side? Can I use a standard height jack (5.5")? Hate to invest more when a standard jack will work with a bit of extra labor.

Weav's Vet

Yep, you may be....2X anythings will work for rasing the car high enough for the jack. Just jack it up and have a look see. you'll see where the supported areas are. Just be careful about the lines. If you use the jack points on the side you will be fine.

runner140*

Andy did a nice job on that.

XQIZT

these photos may help with jack stand placement
front
rear

the red circles are where i place my stands

as far as your concern with the rocker panel lip...just make sure that you are also lifting in the actual frame member, not just the plastic rocker panel. as you lift the jack pad into place, use your hand to feel behind that lip and be sure you aren't crushing any fuel/brake lines.

samh

Perfect! Thanks for that link!

samh

And thank you for this info as well. Pictures are worth a million words!

rickneworleansla