Question about 1999 Plymouth Voyager

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What I think is the heater hose cconnection to

What I think is the heater hose connection to pump housing looks to have some kind of nipple in the hose broken away from the pump. does the pump have a separate connector or do I need to repace the pump housing?

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  • Anonymous Mar 22, 2014

    heater nipple from water pump broken



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PUMP MUST BE REPLACED if ANY Part of it is BROKE, as this can Lead to MORE cracks, and Ending in Catistrofic Failure.

Posted on Sep 13, 2009


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How can iget the hot water to the front heater coil both hoses stay cold

does the engine's cooling system thermostat open and close?
(does upper and lower RAD hose feel warm then warmer)
are the hoses to the heater coil (both hoses) free of obstructions?
(pull them off and blown them out)
is the heater coil able to pass coolant in one side and out the
other? Hook up garden hose to inlet house (disconnect from pump hose nipple) disconnect heater outlet hose from pump and drop into a pail to catch outflow)
Does the water pump work as it should? ( should see fluid flow when looking through rad cap opening while engine is running)

Jan 27, 2015 | 2005 Kia Sedona

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96 grand am overheating no heater hose on lower nipple on fire wall and pouring coolant out that nipple. Smell coolant in car and driverside winsheid fogging up. Did heater core go bad or did I loose a...

at first i just bypass the heater core assem. go from the thermm. housing to the head nipple. if you put your heat setting to hi setting all your coolant will pour out that nipple with no hose. if you drive like that BOOM! engene blows the heater hose assembly replacement for that is $90+tax and thats bs. ireplaced mine with 2 tees it works great! it runs cooler than it ever has and the heater works when you need it. that assembley has a thermal crossover valve in it and i find no reason for it other than the heater may work a couple min. sooner.And or the coolant that ain't worth $90bucks+tax to me.i can wait a couple min, longer for the heater to work i used the tees to maintain water flow through the head nipple back to the rad,when heater is not in use. incase that was the purpous of the thermal valve crossover. i could find no one who could tell me its intened purpous at any parts store or even the GM dealership.

Dec 07, 2011 | 1996 Pontiac Grand Am

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2002 dodge caravan leaking coolant looks like from under engine

There are no coolant lines etc running on the lower part of the engine. Usually water will leak from above and run down finally dripping from under the engine. Coolant will not leak from the "engine" it leaks from a hose or thermostat housing.

Start from the top and work down. Check each hose by feeling with your hand. Look for a wet spot. wipe the hosed with a cloth to clean if necessary. If you think you found it dry the area and check again. Sometimes you need to move the hose around to open a small tear and expose the leak source.

If a hose leak tighten the clamp. If torn hose you may be able to disconnect, cut the end and reattach. If too short replace.

Check where each hose connects to the engine. This will be the thermostat housing and the heater supply line. If a housing try gently tightening (careful they crack). Or replace the gasket.

If you don't see a leak at all. Start the engine and run. This will build pressure in the cooling system. Look for leak using the same process. Careful as the engine is hot.


Mar 07, 2010 | 2002 Dodge Grand Caravan

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There is a leak in the bypass hose spout behind the

I have a perminent better solution to this problem. The broken part is out there however, its on "back order". The fix that I have done is to remove the water pump and "punch" out the broken piece from above. Then use a 3/8" pipe thread tap and put threads in that hole. Go to your nearest auto parts house and purchase a "heater hose nipple". Then, with a deep well socket and a long extention, thread the nipple in. Install the hose and clamp it at both ends. You can tap that hole because its cast aluminum.

Nov 18, 2009 | 1997 Dodge Grand Caravan

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The nipple on the heater core that connact the

Unfortunately the heater core must be replaced because the nipple is soldered to the heater core and access to the core for resoldering is not possible unless the heater core is remove and so if you go to that kind of trouble you should just replace the core with a new one rather than doing the repair and risking a future leak after reinstalling.

Aug 28, 2009 | 1999 Chevrolet Silverado 1500

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How to bypass heater core 1999

You need to disconnect the two heater hoses going into the heater core. These hoses will go from the thermostat housing or the water pump to the firewall of the vehicle. You can just disconnect the two hoses from the firewall connection and place a nipple in between the two hoses using good hose clamps to connect the two hoses. That is all you need to do to bypass the heater. Good luck.

Apr 14, 2009 | Ford Expedition Cars & Trucks

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How to install a water pump on 99 durango

  1. Clean gasket mating surfaces.
  2. Using a new gasket, install water pump to engine as follows: Guide water pump nipple into bypass hose as pump is being installed. Install water pump bolts Tighten water pump mounting bolts to 40 N·m (30 ft. lbs.) torque.
  3. Position bypass hose clamp to bypass hose.
  4. Spin water pump to be sure that pump impeller does not rub against timing chain case/cover.
  5. Install a new O-ring to the heater hose coolant return tube Coat the new O-ring with antifreeze before installation.
  6. Install coolant return tube and its mounting bolt to engine Be sure the slot in tube bracket is bottomed to mounting bolt. This will properly position return tube.
  7. Connect radiator lower hose to water pump.
  8. Connect heater hose and hose clamp to coolant return tube.

Jan 11, 2009 | Dodge Durango Cars & Trucks

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