Vette(s): Black 1979 L-82
Black 1996 LT1
Black 1999 Coupe
Tony B said: Noticed antifreeze laying in a well on the left rear of the intake manifold. Cleaned it up and it returned. Is that indicative of an intake manifold gasket leak or could it be something else.
I have never seen a torque wrench that you can use to access any of the intake manifold bolts on an L98 without removing the entire fuel delivery system. It's not a simple task to properly torque the manifold on these engines. FSM recommends 35 lb. ft. I just tightened my leaking intake manifold by hand using whatever I could get to the bolt head with., using best judgement as to tightness. It was quite loose. The leak hasn't re-appeared for three years now. Just go in and try to tighten it by hand. A 1/4" box wrench with the proper sized torx insert bit can get to most of the bolt heads on the intake without removing anything. The wrench is short so you can't get in much trouble over tightening. Use your experience!!!
1986 "Bright Red" COUPE - Aluminum Heads, Sport Seats, Bose, Ultra-Flo Exhaust, Automatic, Bilsteins - "Mostly Original" otherwise.
It could be a number of things: A heater hose or radiator hose, heater core leaking (you would see something like this in the passenger well...not fun) and like the other guys are saying, an intake manifold leak...take a good look at everything coolant related. These things run on the hot side, so don't shortcut anything when it comes to cooling......
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