Centrifugal Pump CPM

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OPERATING LIMITS
Fluid temperature up to+35℃
Maximum ambient temperature+40℃

PERFORMANCE CHART AT n=2900rpm

Q: 2 different pulleys are in the way of the 2 remaining long bolts. at each end of the pump. tensioner did not need to be moved as belt is already off. Motor mount is 1/2 way removed and motor has dropped slightly gt; Am reading a jack must be placed under motor with wood via oil pan ( am hoping no other damage was done) Am told there is a certain device available to remove the pulleys? ... -Would appreciate anyone's info and advice on the remaining steps to this procedure on this make and model engine. as I have come into it obviously with it having begun the wrong way!! Thanks!!: Are you sure? Try using a search engine (could be Bing, Yahoo, Google).

Q: changed the thermostat. it overheats but cools down a heat bar or two idling at stoplights. i filled up the coolant reservoir when i changed the thermostat, drove it about 2 miles(engine was already up to temp when i started) and it overheated. drove it two miles back going about 35-40 and it never went above normal but was still overheating. checked the reservoir and it was empty. stuffed a hose in it and plugged it up with a towel to force water in to see if it was leaking anywhere, no leaks. while running with the rpms up the top hose is easy to squeeze. makes me think water pump. but if i go over 45 it over heats makes me think clutch fan.: So if i understand, you are losing water from your system but no evidence of where it is going. I can think of two options. Heater core, but you may get a coolant smell inside the car, steam on the interior of windshield. You can check this by connecting the heater hoses directly, bypassing the heater core. If it still loses water, look for foamy oil on the dipstick or on the oil filler cap. If present then the other guy is right - headgasket. I would also look into flushing the system, or replacing the radiator - it may be clogged.

Q: Having a hard time taking out the water pump on my 2004 Grand Am. it's been leaking anti-freeze for some time and finally had the time to fix it. Didn't know it will be so difficult to take out. So hopefully it won't be so difficult to put back up.: You did not say if you have a 4 cylinder or a 6 cylinder. The 6 is really easy so I will assume you have a 4.If equipped with an automatic transmission, remove the exhaust manifold. Refer to Exhaust Manifold Removal in Engine Mechanical - 2.2L (L61). Drain the cooling system. Refer to Cooling System Draining and Filling . Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels. Remove the front fender liner. Refer to Front Fender Liner Replacement in Body Front End. Remove the access plate on the water pump sprocket from the timing cover. Install J 43651 to the water pump sprocket. Use the access plate bolts to secure J 43651 to the engine front cover. Remove the bolts that secure the sprocket to the water pump. Remove the bolt (1) that secures the engine block to the water pump. Remove the bolt (2) that secures the engine front cover to the water pump. Remove the feed pipe that joins the thermostat housing to the water pump. Remove the 2 bolts that secure the water pump to the engine block. Remove the water pump.

Q: How long would it take before I would see water coming out of the exhaust bellow? I let it run for about 5 seconds or so and shut it of fearing it would burn up. Did this a few times and finally gave up. Pump wasn't hot and impeller was still good. Wondering if I just didn't let it run long enough?: Mercruiser 5.7 Water Pump

Q: Water pump. A drip on the edge of the pump or drip on the ground. Serious concern on which one?: The dirp or a puddle of coolant on the ground. usually means that the water pump has to be replaced.

Q: I just got a new boat with a diesel engine and I don't understand why there is a coolant tank as well as a water pump? I think the water pump goes to the heat exchanger but what actually cools the motor - how does this stuff work?: if you do indeed have a heat exchangers, you have two loops at work...the coolant circulates in the engine with its own pump; the tank is for topping up just like in a car. The external water pump....the one connected to the hose to the seacock / through hull...draws in cool sea water, passes that through the heat exchanger where it cools the coolant and then the hot sea water goes out the exhaust. This way you're not circulating hot corrosive sea water through the engine and shortening its life.

Q: Even when all water is shut off in the camper, my water pump keeps running. Even when the tank is completely empty. Does anyone know what is causing this?: The pump is pressure regulated and kicks on when pressure in the water storage tank drops, such as it does when you open a water faucet. Either the pressure regulator is defective or you have a leak in the plumbing. Somewhere there is an electric switch where you can turn the pump off manually, either on the pump or near the pump. I suggest you shut it off until you can determine what the problem is.

Q: How tight to a tighten down the bolts on a '86 volvo 240 water pump. The manual I bought doesn't say. The torque won't help me cause I don't have a torque wrench, so just general discription would help a lot. (I stripped the threads on a stud last time): Volvo Water Pump

Q: I need a new timing belt and I'm getting that done soon, but my mechanic says that water pumps are usually replaced along with the timing belt at the same time. Does it really need replaced?: yep replace at the same time better safe than sorry it'll cost more if it leaks later and you need to replace it

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