There are multiple ways this metal component can be damaged, including having an incorrect sized or improperly adjusted water pump belt installed, vehicle accidents or problems with the internal bearings that allow the pulley to spin. The most obvious sign that a problem exists with your water pump pulley is if it's physically damaged. There are a few warning signs that you can be aware of that will indicate a problem with your water pump pulley exists. In order to reduce the potential of having your engine overheat or other major mechanical problems developing, having the water pump pulley replaced before it breaks completely is recommended by all mechanics and automotive manufacturers. When the water pump pulley wears out, the pulley will refuse to turn, which results in a water pump that doesn't efficiently circulate water throughout the engine. Most modern cars, trucks, and SUVs use a serpentine belt which routes around the engine, turning pulleys, which operate various accessories including AC systems, and alternators. The water pump on any vehicle uses a system of belts and pulleys to operate. However, one of the more common mechanical parts that can fail sooner than later is the water pump pulley. Typically this system runs for years with routine service and maintenance including replacing fan belts, water pump belts and flushing the radiator fluid. You can see remnants of the mouse i couldn't find in the first pic.In order to maintain a consistent and safe operating temperature, your vehicle utilizes a coolant system that circulates coolant from the radiator, through the engine block, to a heater core and back to the radiator. Tried to clean out valves while intake was off pretty gummy and this was after I just did some $$$ intake cleaner via fuel. I don't even think the throttle body needs to come off. Tech said they don't even remove the manifold completely just lift/tilt in place. I would suggest if your vehicle has 60k plus and you've switched your water pump and oil cooler pipe this part will likely fail soon after. Anyways take what you will from that I opted not to do it now hopefully that won't come back to bite me. The tech said it was pretty common on LR4, but they don't usually see the back crossover fail, supposedly it's more common on the counterpart Jaguar he guessed because of heat cycling/vent differences. The culprit was definitely the water outlet/front crossover. Replaced the 8 little silicone gaskets on manifold. Intake manifold wasn't too bad, needed to remove ten bolts, fuel crossover line and a few other vacuum hoses etc. LR4 back on road the local dealer LR thousand oaks had all the parts I needed thankfully. I know URO isn't oem, but I would hope for more life.ĭo our 5.0's share the same problem with the jags front crossover pipe failure?Īny advise on what to look for would be appreciated. I have a new pump, pipe, and o rings in case but it seems crazy to have a failure that soon. I know their has been talk about a hose associated with pump failure, is that the LR018275 water outlet? Before I break it down I wanted to get some feedback about likely culprit. I had it towed to my in laws and won't have a chance to work on it for a few days, visible water near water pump, but unable to identify exact location of leak. 30 seconds later heard a screeching belt as we passed a truck( thinking to my self, idiot take better care of your car) 30 more seconds low coolant light (karma-I'm the idiot) pulled off next exit, draining coolant rapidly. Made quick stop and heavy acceleration up hill on ramp in 100 degree weather. Yesterday driving for 6 hours already and still 2 hours from home. 3k miles ago replaced failing Water pump with URO from AB(rear oil cooler pipe and o rings as well)
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