Engine quits when hot
SOURCE: Vapor Lock-1985 K10-Silverado Chevrolet Pick Up
1985?? you sure ,havent you heard of getting cash back on old vehicles against a new one ,no wonder poor old GM is going bust .As for engine stopping on you try flushing the cooling system out with a bit of caustic soda then refilling with water only if it works then refill with antifreeze ,add the caustic to rad when engine is cold then about 4 big table spoons should do it then run engine for 20 mins or so
SOURCE: When I get stuck in traffic in real hot weather I
Not an expert here but hope this helps. I had an 85 GMC Van and the previous owner had installed an electric fuel pump in engine compartment. I too would stall when hot. I finally relocated fuel pump to underneath the van and it ran cool and no more vapor locks.
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