im losing coolant its leaking by firewall n behind valave cover residue on on 1997 Chevrolet S10

tranny is there a hose i cant see

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3 answers
either a heater hose, bypass hose or intake manifold leak
WHICH SIDE OF THE ENGINE PASS. OR DRIVER SIDE? POSS. HEATER HOSE PASS. SIDE.
POSS. INTAKE EITHER SIDE.
I would agree with the other guys but if it has a 4.3 engine its probably the intake gasket