I want to use a floor jack and don't like jacking on the pinch welds. 1a auto says you can jack on the rear diff if you have awd, but what about the front?
Do you have a picture of what you use?If your piece of wood is thick enough to clear the pinch by lets say one half inch your pinch weld will not be touched and no scratches. Trust me I am very picky and dont want my pinch weld touched annd the under scratched. For my free oil changes I tell to use the lift with the wheels on the rails platforms. The dealers are not the best place to protect your underneath when they lift your vehicle. What you dont see does not hurt them if they cause scratches etc under your vehicle.
I've lifted countless vehicles many times using my jacks and various blocks of hardwood to absolutely no detriment. Though, I've always coveted those nifty pinch weld adapters, I've never ponied up.
What's you aversion to a block of hard wood?
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SOL, There's no safe way to jack on the unit body other than the specific points in the manual, or the transaxle subfame without chance of damage. Other than flatbedding or tire strapping and vehicle can only be safely towed by attaching to the two specific reinforced slots in unitbody.
Only safe areas are reinfoirced unitbody rocker panels. Get a pinch weld adapter so there is no stress on the weld flap and all force is transmitted to the rocker........permits use of all hydraulic jacks so you don't have to play with the crapo jack in the trunk. Different types: slotted rubber hockey puck types and magnetic types that fit over the weld.
Just put on my winter tires/wheels and now know what's you guys were talking about. On My previous three vehicles the jack point was actually the pinch welds. So this Chevy was completely new to me.
Unfortunately My hockey puck wasn't thick enough to put any of the jack force on the rocker panel so had to use the crappyjack. I used my impact wrench to raise and lower it to save time and effort.
Anyhow, I am going in search of a pinch block that I can use for next time. Any suggestions?
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Cut two more hockey pucks in half and stack them on top of the solid ones spaced a 1/2" or so apart to gain thickness and leave a slot in the middle for the pinch weld.