All you need to do to replace the rear shocks is open the trunk and you would see 2 black caps one on the left and one on the right and they are located unde rthe speakers. Once you have found these remove them by hand or with a flat headed screwdriver and you will see i large nut on the top and two smaller ones on the side. Remove the two smaller ones on the side and this will free the shock at the top. Do the same on the other side. With the car jacked up and the wheel off you can see where the shock attaches to the wheel assembly and then from there all you do is loosen the bolt that holds it and then put the new one in and attach it to the bottom bolt and then using a jack jack up the wheel assembly and then put in the top mounting bolts that you took off earlier.
You don't. A 1991 Cavalier did not come with airbags.
Behind the glove box.
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It is in the gas tank. The tank must be removed. A very difficult job.
copy link and paste... http://www.v6z24.com/howto/heatercore
Behind the glove compartment.
70 ft-lbbs
When they start sqeeking mate
Check the fuse box.
You don't, you replace it.
70 ft-lbbs
Around 2300-2500 lbs