|What I can think of at the moment:
I've seen most of the above on various cars over the years. The smaller the leak, the harder it is to find. Sometimes a few sheets of newspaper, manually positioned near various suspect areas, can intercept a spray or other leak and give you a good idea of where to look. Other times, you just have to cover the entire engine with clean white rags (e.g. bits of old tee-shirt) and see which ones get wet first.
- Pinhole leak in radiator core, coolant is being sucked back by fan and settles on engine.
- Water pump or thermostat housing leak, with coolant being blown back by fan, or running down on front then rearward and down.
- Head gasket coolant leak, possibly at rear, running down rear of block then forward and down; or at front, running down then rearward and down.
- Hose from water pump to intake manifold leaking at either or both ends.
- Leaking temperature sensor.
- Leaking heater hose at intake manifold or heater core inlet pipe.
- Block or intake manifold internally corroded to point of leaking through casting walls.
Last edited on 05-24-2006 01:31 am by Mark Rosenbaum