how do i replace a oil preasure switch

hi thanks 4 helping me with my stalling problem but now i need 2 know how 2 replace my oil preasure switch an where is it located an if possible could you tell me how 2 replace the sparkplugs on my 91 camaro(rs v8).thanks

dont know about the oil pressure switch..if ur meaning the oil pressure sending unit i can tell you that...and for spark plugs i find it best to just jack up the front some of the spark plugs can be removed from the top and some from the bottom...just get the sparkplug socket...mines a 5/8 and use that...is that what your wanting to know?

yeah thats what i meant,so can you pleaze help

i did that from underneath too but it can be dont from above...but under is easier...just get under there with a crescent wrench and its right above the oil filter...just put that wrench on there and unscrew it and to install just reverse how you took it off...i didnt use any teflon but i put a little dab of silicone on the threads...

ok thank you