Question about 2000 Dodge Caravan
I have a ticking sound coming from my 2001 grand caravan. I recently changed the oil, this seemed to decrease the sound but not eliminate it.
It increases with the rpm's of the engine.
Turns out it was the water pump. The plastic impeller on the inside had broken in half- split almost right down the middle. there was just enough of the impeller remaining to attach to the shaft and pump water. Apparently, it was pumping enough to keep the temp under control. So, I never noticed it overheating. The piece that had broken off had gotten lodged in a recessed area inside the pump housing. The ticking noise was being generated as the intact half of the impeller rotated and hit the broken off half.
I narrowed down the problem by removing the belt and cranking the engine temporarily. With the belt off and the pump not turning, the sound was gone. I could spin the pump pulley by hand and faintly hear the noise.
A new pump cost me $35 and took about two and a half hours to replace.
Posted on Jan 28, 2009
Could be sticking hydraulic lifters or it could be bottom end connecting rod bearings how is oil pressure ? is the engine running smooth ? any power loss? check oil pressure
Posted on Jun 30, 2008
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Posted on Jan 02, 2017
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