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I have a 91 L98. I noticed today that it was wet under cylinder 7 and it goes down to the exhaust. When I start the car it'll smell a bit like coolant. If I let the car sit for a few days it'll drip a few drops of coolant. Other than this the car runs well, oil looks good, and no smoke from exhaust. Where could the leak be coming from? In the pictures it's above the driver side cat and under cylinder 7.
I'm new to all this so would you happen to have a picture of the bolts or something to make sure I tighten the right ones?
I think there's 13 of them and they are the top of the engine, underneath the intake runners etc. (big tubes going into the top of the engine from the air intake, called the plenum). You may have to take the plenum and runners off to get all of the intake manifold bolts snugged down, not entirely sure on that one.
Sorry no photo but hope that helps.
EDIT: Be VERY CAREFUL snugging those down. It is completely possible to over-tighten and strip out the aluminum. Ask me how I know
Coolant leak?
