By Dave Hobbs, MACS Technical Correspondent
Name That Hybrid Water Pump
While virtually every HEV (hybrid electric vehicle) has an ICE (internal combustion engine) along with one or more high voltage electric motors, not every one of them circulates the coolant in their engines the same way. Take Toyota for example. Up until its Prius line started using a 12-volt electric water pump (Figure 1) in 2010 and newer (Generation III) models, their little belt-driven water pumps (Figure 2) were prone to wear out around 120,000 miles. You’d hear a little rattle, then it would get a little louder, and before you knew it your customer’s water pump drive belt was almost shredded into smithereens. Call the parts store, and get a replacement water pump on the way to your shop, right?
Not so fast! When you call or go online seeking a new water pump, make sure you know what to order. (Read More)