Two problems related to radiator have been reported for the 1998 Chevrolet Venture. The most recently reported issues are listed below.
Coolant was "sludgy" and dealer attributed this sludge to third party oil shops using wrong radiator fluid. Dealer claimed this wrong radiator fluid sludged up and ate through intake gasket. $647. 19 to repair gasket.
The engine and several components had to be replaced due to sludging of the engine coolant, the heater system stopped working, due to coolant had sludged up causing clogged components in the heating/cooling system, also the vehicle overheated, there was corrison in the radiator, the thermostat was replaced, there was a leaking intake manifold gasket, consumer believes that manufacturer should have covered the entire bill instead of half.