94 Chevy Silverado 350 tbi 5.7

Asked by Apr 24, 2017 at 08:32 PM about the Chevrolet Silverado 1500

Question type: Maintenance & Repair

350 tbi 5.7 runs fine oil mixes with coolant,
white smoke out exhaust, NO check
engine light, but idles and runs fine?

2 Answers

80,015

Bad head gasket or if the intake manifold has a water crossover it may be an intake manifold gasket.

20,045

Do not worry it will get worse and the coolant in the oil is ruining you engine main bearings along with the ring set first then the rest will too, so fix.

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