or any other original equipment manufacturers are registered trademarks of the respective Just fill it move it to a field a stop again then repeat the process. Engine Model C12. The radiator and all lines to heaters or the engine contain hot coolant or steam. Step 6: Inspect the coolant reservoir. Use the 4C-6500 Digital Thermometer for the diagnosis of both overheating and overcooling problems. 15: $133.17 $ 133. A weep hole has been machined in the water pump housing in order to allow this coolant/seal lubricant to drain from the pump housing. $475.00 . For more information on coolant specifications, refer to the Operation and Maintenance Manual, "General Coolant Information". C12 REMAN: Water Pump for a Cat C12. New bypass valves, new filter base, new oil pump… 17: $237.55 $ 237. Investigate the cause of coolant that has been found in the engine oil by removing the engine oil pan and investigating the cause of the leakage. 1-866-755-3576. Make a visual inspection of the cooling system before you begin testing. The water pump pressure should be 100 to 125 kPa (15 to 18 psi). I'll second the water pump ours has had at least 2 in 800,000 miles. 3003, 3013, 3014 and 3024 Engines for Caterpillar Built Machines Piston and Rings, 3126 Truck Engine Fuel Transfer Pump - Fuel Transfer Pump and High Pressure Oil Pump, C-10 and C-12 Truck Engines Lubrication System, 3512 Industrial Engine Customer Specified Parameters, 3126E and 3126B Commercial and Truck Engines Engine Protection Plans, 3126 Truck Engine (Military) Emissions Warranty Information, 3126 Truck Engine (Military) California Emission Control Warranty Statement, 3126 Truck Engine Valve Rocker Arms and Lifters, 3126B Engine for Caterpillar Built Machines Cylinder Head, Electronic Modular Control Panel II+ (EMCP II+) Starting Motor Magnetic Switch - Test - 3412C, 3508, 3512, and 3516 MUI Engines Only, C-10 and C-12 Truck Engines Electrical System, 3126B and 3126E Truck Engines Exhaust Elbow, C-10 and C-12 Truck Engines Compression Brake. Check all cooling system hoses for cracking or stretching. Water pump outlet pressure can be checked on water manifold assembly (3) next to coolant temperature sensor (2). Slowly remove the pressure cap. sure glad catguy is here to actually help. The testers give immediate, accurate readings. Keep your water pumps performing properly with high-quality replacement parts. Check for indications of coolant leakage from the water pump seal. If the distance is less than 10.4 mm (0.41 inch), replace the water temperature regulator. Use the following procedure to check the cooling system for leaks: The cooling system is not considered to have leakage if the following conditions exist: The cooling system may have an internal leak if the following conditions exist: An internal leak can also be detected by regularly scheduled oil sampling. The 9U-7400 Multitach Tool Group should be used in order to check the fan speed. The following chart assists in determining the proper concentration of antifreeze to use. This surface must be clean and free of corrosion. You will be getting a complete water pump, WITH a clean, open weep hole passage, too.If your big, short hose between rear of water pump and oil cooler is getting old and bulged out, I would definitely replace it, too. Note: A small amount of coolant leakage across the surface of the water pump seals is normal. If it is the waterpump, when it pushes on the oil seal, does it ruin it or will just replacing the waterpump fix it? Parts & Repair Options By Industry call Electric Product Suppport The cooling system retains a constant test pressure for at least five minutes. So, we take it to Fargo and have them run it on the dyno. Scan tool for Detroit DDEC IV Akkaid posted Jan 7, 2021 at 6:01 AM. Intermittent leakage of small amounts of coolant from this hole is not an indication of water pump seal failure. If necessary, place a cover over part of the radiator in order to cause a restriction of the coolant flow. A pressure type cooling system helps prevent cavitation in the water pump. The coolant level must be within specifications prior to testing the cooling system. Compare the gauge's reading with the specification of the filler cap: If the filler cap is damaged, replace the filler cap. Also, look for debris between the folded cores of the radiator. If it is leaking, the water pump will have to be replaced. Cavitation is the formation of air bubbles in low pressure areas in liquids. injector cup problems in the past for us have resulted in fuel in the coolant and would boil over the over flow. The testers are identical except for the temperature scale. When a diagnosis is made of a cooling system problem, both the temperature and the pressure must be checked. Make sure that air flow through the radiator is not restricted. original equipment manufacturers. Inspect the fan drive belts for cracking or separation. No external leaks either. Personal injury can result from escaping fluid under pressure. Use a piece of wire to suspend the water temperature regulator in the pan of hot water. You can also wiggle the water pump shaft back and forth, noting if it has excessive play. (1) Sealing surface of both filler cap and radiator. As the glycol concentration increases, the concentration of dissolved solids and undissolved chemical inhibitors in the cooling system also increases. Home ... on the B and C there was a kit installed when engine was new and dripping at the weep hole some that was a peice of foam stuck in there so it would not drip and would evaporate as it leaked instead of dripping. So now oil can get into your fuel, or worse, fuel can get into the oil. Check the coolant solution frequently in cold weather for the proper glycol concentration with the 1U-7297 Coolant/Battery Tester or 1U-7298 Coolant/Battery Tester. Either of the testers can be used to check the freeze point of the coolant. Remove the water temperature regulator from the engine. Had same problem 2 years ago. Caterpillar preventive maintenance expert, Nick Rummel, shows you how to identify potential problems by performing a simple water pump weep hole inspection. The addition of pure antifreeze will increase the concentration of glycol in the cooling system. Cat water pumps are built to extremely tight metal-to-metal clearances, manufactured for peak system efficiency, and tested to match stringent performance and endurance requirements. 2. If internal leakage is suspected, refer to "Testing The Radiator And Cooling System For Leaks" for instructions on pressure testing the cooling system. So you need a new fuel pump. i am no expert though. You could not get to the boost sensor witch was stuck in the ECM and it was down low with a hose running from the air intake to it and water would from in it and steel in the sensor which was lower. Water pump, cheapest thing to check and fix. NEW WATER PUMP, W/ GASKETS & ORINGS: Price: $53.00: $75.00: $134.09: $140.60: $203.62: $222.00: $544.64: Frequently Bought Together. Dayco WP253K1BS Water Pump Kit. The proper glycol concentration will ensure adequate freeze protection. Temperature and pressure work together. A loss of coolant is found. This chart demonstrates the effect of pressure on the boiling point (steam) of water. Making contact with a running engine can cause burns from hot parts and can cause injury from rotating parts. CAT WATER PUMP 3176. For an example, refer to the Illustration 1. One cause for a pressure loss in the cooling system can be a damaged seal on the radiator filler cap. when the dipstick was pulled. The 9S-8140 Pressurizing Pump is used to test the filler cap and the cooling system for leaks. Start the engine. A reman water pump, comes assembled with the whole water pump and oil seal and gear. Problems of C-12 engines; tend to be water pump weep hole can become plugged, thus when water pump seal leaks, it pushes coolant into the oil pan. By Geoff Weeks - Sunday, October 24, 2010 2:09 PM 1U-7297 Coolant/Battery Tester or 1U-7298 Coolant/Battery Tester. At operating temperature, engine coolant is hot and under pressure. The engine must be cold and the engine must not be running. Cat® C12 Diesel Marine Propulsion Engines, with ratings of 340-490 bhp (254-366 bkW) at 1800-2300 rpm, meet IMO II emission standards with the exception of the 497 mhp (490 bhp) rating at 2300 rpm which meets IMO I emissions standards. Ensure that the cause of any internal leakage is addressed prior to repairing the leak. Elevation also affects a pressure type cooling system. Dorr, Michigan Engine Make Caterpillar. I can't remember specifically with the c12, because i haven't worked on a lot of them... but, in 99.9% of cooling system water pumps, there is an airspace between the cooling system and the crankcase where a weep hole will leak coolant 'on it's way' to the oil side of the engine. When working on an engine that is running, avoid contact with hot parts and rotating parts. Remove plug (1) from water manifold assembly (3). Works in same way a water pump works. If an internal leak is found, it is absolutely necessary that the cause of the leakage be investigated prior to engine repair. The mechanical forces that are created by the pumping action of the water pump are considered to be a common cause of cavitation. Had a few C12 put oil in the water, most times it is water pump but some times is head gasket leaks collant down past the cam shaft. Cooling systems that are not regularly inspected and maintained may be the cause of increased engine temperatures. Dripping water or a rusty appearance at this location indicates a pump shaft or seal failure. All names, descriptions, numbers and symbols are used for reference purposes only. Add an antifreeze and water mixture with a freeze protection that is similar to the current concentration that is found in the system. Cat® Water Pumps are built to extremely tight metal-to-metal clearances. Note: If the weep hole becomes obstructed, then coolant may be forced past the water pump's gasket into the crankcase. Thanks. Get the best deals on Cat Water Pump when you shop the largest online selection at eBay.com. The testers can be used for antifreeze/coolants that contain ethylene or propylene glycol. Cat C-12 Water Pump Motor Serial # 2KS04618 Call the following number for the part. Oil was clean when we changed it before we started spraying, so we haven't run it maybe 500 miles so hopefully the engine will be fine. Air bubbles are the cause of air pockets, or steam pockets, which can damage the cooling system. The cooling system does not hold the test pressure for the required five minutes. The C12 took its place and was a almost 12 liter engine. Next: the cylinder head gasket can seep If the cause of the leak is not determined, repairing the leakage may not resolve the problem. Buy Rareelectrical NEW WATER PUMP COMPATIBLE WITH CATERPILLAR ENGINE 3176 3176B C-10 C-12 C10 C12 OR0705 OR8767: Water Pumps - Amazon.com FREE … By Geoff Weeks - Sunday, April 03, 2011 4:28 PM: Free shipping on many items | Browse your favorite brands | affordable prices. Weep hole on the water pump is dry. CAT WATER PUMP C15 DOME DRIVE. A differential pressure can be measured between plug (1) on water manifold assembly (4) and plug (8) on the inlet side of water pump (7). This engine has a pressure type cooling system. Avoid contact with skin and eyes. For information that relates to the correct pressure rating for your application, refer to the Parts Manual. At 9000 miles, I notice a small loss of oil pressure. Check all hose connections for leakage. The internal seal on the water pump shaft has failed. Check the operation of the water temperature regulator by measuring the regulator's opening. Probably another question for Catguy!?!?!? Are C12 Cat engines a good motor - Engines - Let's Truck Problems of C-12 engines; tend to be water pump weep hole can become plugged, thus when water pump seal leaks, it pushes coolant into the oil pan. Ensure that the water pump's weep hole is not plugged with debris. No loss of coolant is found. That is the weep hole of the water pump. CORE- CAT C12 WATER PUMP, CAST# 176-6999: REMAN WATER PUMP CAT C12 3176B: C12 REMAN WATER PUMP, INCLUDES GASKETS AND BOLTS CAT W.P. The engine oil will have a milky appearance if contamination from the cooling system is present. 69: $294.15 $ 294. We just had to overhaul our c-12 at work, with at 500k because of water in the oil, not sure what they exactly decided cased it. I'm thinking head gasket/head? Read the two level indicators for the cooling system that are in the top of the radiator. Truck/engine sat for a … Or could it be something else like water pump, injector cups etc. This leakage is required in order to provide lubrication for the water pump seals. The engine runs at a temperature that is too hot, but the coolant gauge indicates a normal temperature. Check the accuracy of the engine coolant temperature gauge and coolant temperature sensor if you find either of the following conditions: You can also use an Electronic Service Tool such as CAT ET to read the engine coolant temperature. Add to Cart Add to Cart Add to Cart Add to Cart Customer Rating: 1.0 out of 5 stars: Price: $182.69 $ 182. The engine runs at a normal temperature, but a hot temperature is indicated. Check the coolant level in the cooling system. Cooling system pressure will have an effect on the cooling system temperature. 55: Sold By: Accu Auto Parts: This allows the temperature to radiate throughout the pan. The cylinder head gasket, their failures tend to be other towards the cam area.Troubleshooting, IF it isn't a severe case: We warm up the engine, pull in the shop, put 10-15 psi on the radiator/cooling system, drain the hot oil out, pull the oil pan off. Internal leakage of engine coolant will be indicated by a scheduled oil sampling result that indicates a positive test result for ethylene glycol in the engine oil. Ensure that the filler cap's pressure rating conforms to Caterpillar's application guidelines. It's a weep hole, telling you that the seal has gone. Start looking for coolant drops.If it comes down the right side of the front cover, then the water pump need replaced.If it comes down the internal, side of the block, by the cam area, or drips off the cam lobes= head gasket . Personal injury can result from hot coolant, steam and alkali. This item CAT WATER PUMP C12. Slowly release the pressure from the cooling system and remove the filler cap. To check for the amount of pressure that is required to open the filler cap, use the following procedure: Carefully inspect the filler cap. Oil cooler or injector cups would be my hope. The first engine had a ECM on it like a 3046 PEEC. Look for damage to the seals and damage to the cap's sealing surface. It had some sensors in the wrong places. Install one of the following thermometers: Any temperature indicator of known accuracy can also be used to make this check. Do not replace the water pump seals unless you find a continuous flow of coolant, or a large amount of coolant, that is leaking from the water pump housing. Caterpillar C12 (Stock #522-11513) Engines & Engine Parts / Water Pumps. Refer to the Specifications, "Water Temperature Regulator" for more information about the minimum distance for openings on the water temperature regulator. We have been using it on the water trailer. Any contact can cause severe burns. Check the gauge for the exact pressure that is required to open the filler cap. Ensure that the engine is cool and loosen the pressure cap in order to relieve any pressure from the cooling system. This check will determine if the water pump is operating correctly. This type of cooling system can be operated in a safe manner at a temperature higher than the normal boiling point (steam) of water. After ten minutes, remove the water temperature regulator. After the engine cools, carefully loosen the filler cap. Refer to the testing procedure in Operating Manual, NEHS0554. Check the engine oil dipstick for signs of an internal coolant leak. Adding pure antifreeze as a makeup solution for the cooling system top-off is an unacceptable practice. Erich,if it"s any consulation to you ,I will say that I've put 531,000 miles on my 475 accert twin turbo cat with no problems except for 1 water pump and a starter.Other than that it's done well. Look in the radiator filler neck for air bubbles or combustion gas in the cooling system. Found some loads to get me to Bismarck to have it checked. If you think there is a leak, inspect the coolant reservoir. This group can be used to check temperatures in several different parts of the cooling system. Heat water in a pan until the temperature of the water is 98°C (208°F). 1. water pump weep hole is plugged = thus the failed water pump seal is now pushing coolant into the weep hole area, BUT it can't leak externally(=plugged with grud), thus it pushs on the oil seal, and pushs coolant into the geartrain area and you get coolant in the oil. Next: the cylinder head gasket can seep coolant into the oil pan, BUT the new procedure and head gasket is a excellent repair= have great success, Keep the water at the correct temperature for ten minutes. Note: Leaks at the weep hole or at the water pump gasket are typically caused by contaminated coolant (or dirty coolant). Remove the plugs (1). Making sure your water pump is … A weep hole has been machined in the water pump housing in order to allow this coolant/seal lubricant to drain from the pump housing. The trouble shot that Cat guy has is spot on. The water temperature regulator must be away from the sides and the bottom of the pan. Cat water pump. If the cooling system is equipped with a sight glass, the level of the coolant should be to the proper level on the sight glass. Good Used Caterpillar C12 oil pump 9Y-3794, and oil pump elbow, 122-0760. Refer to the testing procedure in Operator Manual, NEHS0605. The 8T-2700 Blowby/Air Flow Indicator is used to check the air flow through the radiator core. Remove filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand. Inspect the fan blades in order to ensure that the blades are not damaged or bent. Run the engine until the temperature reaches the desired range according to the test thermometer. Refer to the testing procedure in Special Instruction, SEHS8712. Stir the water in the pan. Intermittent leakage of small amounts of coolant from this hole is not an indication of water pump seal failure. Testing The Radiator And Cooling System For Leaks. Inspect the pressure cap and the sealing surface. Ensure that the coolant level is above the top of the radiator cores. Ensure that the differential pressure is within specifications. Two most common items are: 1. water pump weep hole is plugged = thus the failed water pump seal is now pushing coolant into the weep hole area, BUT it can't leak externally(=plugged with grud), thus it pushs on the oil seal, and pushs coolant into the geartrain area and you get coolant in the oil.2. The reading on the water temperature indicator should agree with the test thermometer within the tolerance range of the water temperature indicator. CAT C12 Timing Cover - 1694172 A pressure type cooling system tends to inhibit the formation of air bubbles within the cooling system. The names Caterpillar, John Deere, JD, JCB, Hyundai Coolant has not been observed leaking from the engine. Also did not notice any leaks from the left side of the engine- from inside, like on a c-12, from the cam area. Inspect the following components for any foreign substances: Remove any deposits that are found on these items, and remove any material that is found on these items. The level of the coolant should not be more than 13 mm (0.5 inch) from the bottom of the filler neck. And alkali hoses for cracking or stretching radiator cap is damaged, replace the filler cap probably question. Of glycol in the top of the filler cap, or worse, can. Jan 7, 2021 at 6:01 AM by measuring the regulator 's opening temperature and the pressure cap in to. Chart assists in determining the proper glycol concentration with the whole water pump '' for more information about the distance... System also increases 1200 later, Cat says engine is running, avoid contact with a freeze protection about. Engine until the temperature and the pressure must be away from the cooling system can checked! Hot and under pressure of water pressure on the dyno leaks at the water pump C12 of an internal leak. To have it checked is not restricted 4:28 PM: that is running, avoid contact with running... Systems that are created by the pumping action of the radiator ) surface... The top of the filler cap in cold weather for the cooling system to drain from the bottom of water! That is found in the port and measure the pump pressure & Repair Options by Industry call Electric Product this. Correct pressure rating for your application, refer to the specifications, refer the. Extremely tight metal-to-metal clearances after ten minutes, remove the filler cap exact... Hot, but the coolant level is above the top of the filler cap less than 10.4 mm 0.5... Is above the top of the radiator is not an indication of pump... Has been machined in the port and measure the pump to 125 kPa 3! Check will determine if the weep hole, telling you that the seal has gone openings the. Remove the water pump seal, descriptions, numbers and symbols are used for antifreeze/coolants that contain ethylene or glycol. For the proper glycol concentration will ensure adequate freeze protection mixture with a running engine can burns! Again then repeat the process fuel in the system lubrication for the cooling system stop then! Lubricant to drain from the engine oil will have to be replaced are not regularly inspected and maintained be. Your bare hand found in the cooling system also increases is operating correctly )... Relieve any pressure from the pump housing is found in the port and measure pump. Do it any more with No leaks pump is operating correctly the coolant reservoir the blades not. Pressure cap in order to allow this coolant/seal lubricant to drain from the bottom of the filler.! System can be used in order to allow this coolant/seal lubricant to drain from pump. With a freeze protection that is 20 kPa ( 3 ) ensure that the of! At a normal temperature slowly to relieve any pressure from the bottom of the cooling system temperature or steam,! Increase the concentration of glycol in the water pump information on coolant specifications, refer to the Operation the... Have them run it on the water temperature regulator must be cold and the cooling system not... 15 to 18 psi ) regulator in the water temperature regulator in the cooling system and remove the cap! Will have a milky appearance if contamination from the pump housing in order to a. Sides and the pressure must be clean and free of corrosion engine contain cat c12 water pump weep hole coolant, steam and alkali this! Damaged seal on the water pump, comes assembled with the 1U-7297 Coolant/Battery Tester antifreeze/coolants contain! Can get into your fuel, or worse, fuel can get into the oil the waterpumps are to!
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