How to Replace the Thermostat on a 3800 Engine?

Answer The 3800 engine was made for General Motors and used in their sedans. Buick, Chevrolet, Oldsmobile and Pontiac all relied on this engine for power and efficiency. The coolant system relied on the t... Read More »

Top Q&A For: How to Replace the Thermostat on a 3800 Engine

How Do I Replace the Thermostat in a Buick 3800?

The Buick 3800 engine, used in several Buick models over the years including the Le Sabre, sported a V6 engine configuration. The thermostat on the General Motors-designed engine is located on the ... Read More »

How to Replace the Fuel Regulator in a 3800 Engine?

The General Motors 3800 engine is not to be confused with the General Motors 3.8-liter engine. The 3800 was introduced after the 3.8L and uses a balance shaft to enhance engine smoothness. The 3800... Read More »

How to Replace a Buick 3800 Engine Oil Pump O-Ring?

The Buick 3800 engine is a large, high output V6 engine. The oil pump O-ring is located where the oil filter connects to the oil pump. The oil inside the oil pan must be drained and the oil filter ... Read More »

How do I Change the Thermostat on a Supercharged 3800?

The 3800 supercharged engine is a popular engine used in the Pontiac Grand Prix for extra speed and horsepower. The same engine was used in the Buick Riviera and other General Motors cars. The ther... Read More »