You can purchase a kit at most auto parts stores that includes an air fitting and a compression tool to remove the locks and change the seals.
how to replace the rear seals on a 1991 Chevy S-10 pick-up truck
To replace the valve seals on a Chevy Colorado, first, remove the engine cover, intake manifold, and any other components obstructing access to the cylinder heads. Use a compression tester to ensure the engine is at TDC on the compression stroke, then remove the rocker arms and pushrods. Compress the valve springs with a valve spring compressor to remove the old seals, then install the new seals, reassemble the components in reverse order, and ensure everything is torqued to the manufacturer’s specifications. Finally, check for leaks and proper operation before starting the engine.
Seals pan to block, prevents leaks. Metal does not seal well against metal. They are cheap, but To replace it, pan has to come off & is on bottom of engine.
Transmission seals? front yes, rear no. Engine seals, yes.
YOU DON'T!!! I have a 2003 avalanche and I had to replace the water pump you can't replace the seals!!! It's a defect in the 2001 to 2003 avalanche the seals fail.
Get a manual on your car from DISCOUNTAUTOREPAIRMANUALS.COM. there are many seals and some have to be done with the engine out.
It would be recommended to replace the rear axle bearings and axles when they are worn/bad. If the bearings and axles are okay, just replace the seals.
How to replace crank seals in1988 ez go with a 2 pg robin motor n if the seals r bad will it make noise inside engine
remove heads seal oil drain so seals dont fall in. then loosen and remove seals. replace and put engine back together. may need special mitsu. tools
How do you replace valve stems and guides on a 1989 Jeep 4 Cylinder engine?
sounds like a small block chevy...the best fix is to replace the seals. they make tools that allow you to pump air into a cylinder so you can repalce the valve seal without removing the head.
You need to loosen the oil pan enough to to get the cover in place. It's better to take the pan off and put it back on last with new seals.