Factory head bolts are 13mm hex, valve cover bolts on a DOHC are 10mm, and on a SOHC T45 torx. Timing cover is all 10mm bolts, crank pully is 21mm, timing components are 10mm, exhaust manifold is 13mm, intake you can leave on..... no, nothing special unless you have a SOHC and need a torx bit. :)
The only repair for a blown head gasket is to replace the gasket.
Normal mechanics tools and a good torque wrench.
In most cases a new gasket is required, but no sealant.
Replace the valve cover gasket.
You do not need any special crankshaft installer, when replacing the head gasket. The crankshaft and the head gasket are on opposite ants of the engine.
The head of the engine needs to be removed, to do that, the exhaust , intake , all the belts incluiding the timing chain, ac compresor , also the crank pulley , the head can be "resurfaced" at a machine shop cleaning the old head gasket installing new gasket , torq the bolts of the head as required by manufacturer , reversible mode with new seals and gaskets
It is not an easy job. This is a major repair that only someone who is qualified should undertake.
Replacing an oil pan gasket on a 1998 Saturn SL2 is best done by a trained mechanic. It can be tricky to remove the oil pan gasket in order to install a new one, even though the item itself is readily available at most auto supply retailers.
Rebuild!!!! There is no need to replace the whole engine. The head gasket is a pretty easy fix if for a machanic. You will save a lot of money this way to. Your looking to spend between $400-$700 depending on who you have do it.
7-800 dollars depending if you need a timing chain and some other gaskets
do a 99 Saturn sl2 have a transmission pan gasket
HI!!!! In the CHILTON�s manual of 91-98 saturns, you can find the complete procedure and torque especifications for the change of the head gasket.I think that this book is a good tool to take care of your Saturn.... ATTE: TAVO18. Replacing the head gasket on any vehicle is a long and complicatedprocess, however if you wish to see basic step-by-step instructions goto the related question on the right side of the page"How do you replace a head gasket?"