Question about 1994 Jeep Grand Cherokee

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Heater hose coolant return tube

In a 1993 jeep grand cherokee. Can I just take the mounting bracket off the tube to the block and pull the tube from the water pump--replace the o ring and put it back in? Or do I have to remove the water pump to replace the o ring?

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  • Joshua Hilbig Jan 29, 2009

    so just pull the tube out replace o ring put back in and i am good to go? yes it is a 5.2l v8

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  • 61 Answers

Yes you can remove the tube if its a V8. If its an inline 6 cylinder you have to remove the pump in order to repair the heater pipe.

Posted on Jan 29, 2009

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1 Answer

Why is my 2003 Jeep grand cherokee leaking coolant?


It is probably is the heater hose or the heater return hose.

Aug 11, 2014 | 2003 Jeep Grand Cherokee

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Rough idle and bucks while driving


1 Open the hood. Locate the fuel pump, mounted to the driver's side of the engine block, approximately midway between the front and rear of the motor.2 Loosen the fuel-line retention nuts on the pump with a tubing wrench turned in a counterclockwise direction. Carefully pull the fuel-inlet line and the outlet line from the fuel pump, being careful not to bend the metal lines. Have a rag handy for any fuel spills when removing the lines.3 Loosen and remove the two fuel-pump retaining bolts with a socket and ratchet. Place the bolts aside for installation of the replacement fuel pump.
4
Pull the pump straight out of the engine block and remove it from the engine bay. Scrape any gasket reside from the mounting surface of the engine block with a gasket scraper.
5
Place a new gasket over the mounting surface of the replacement fuel pump and hold it to the mounting surface on the engine block, lining up the mounting holes. Thread the original retaining bolts through the pump and into the engine block and tighten them.
6
Reconnect the fuel lines to the pump and tighten the fittings with a tubing wrench. Close the hood.


Nov 18, 2011 | 2004 Jeep Grand Cherokee

1 Answer

Have 2004 jeep ckerokee and ac smells like antifreeze. there is water coming out of drain hose and out of bottom of the heater core cover onto floor. do you thing this is a heater core problem.


If there is coolant coming out then YES, try blocking the heater hoses,(disconnect at the engine and loop it back to the other heater hose outlet on the engine) this way you can be sure it is leaking.
To many times removing from the heater hose from the heater core inlets will break the inlet tubes.

Aug 30, 2011 | 2004 Jeep Grand Cherokee

1 Answer

I'm trying to locate the thermostat on my 2000 jeep grand cherokee


  1. On 2000 Jeep Grand Cherokee 4.7L V8
  2. Remove lower radiator hose clamp and lower radiator hose at thermostat housing.
  3. Remove thermostat housing mounting bolts, thermostat housing and thermostat.

2000 Jeep Grand Cherokee 4.0l v6
Note:on the In-line 6 4.0L model the thermostat housing is mounted at the top of the engine block next to the water pump.

Nov 14, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Can someone help me? am traying to change tha wather pump but want some instructions like what to do first,where the pump is located, and so... thanks!!


5.2L and 5.9L Engines
See Figure 6
  1. Disconnect the negative battery cable.
  2. Open the radiator valve and drain the cooling system.
  3. Remove the cooling fan and shroud as an assembly.
  4. Remove the accessory drive belt.
  5. Remove the water pump pulley from the hub.
  6. Disconnect the hoses from the water pump.
  7. Loosen the heater hose coolant return tube mounting bolt and nut and remove the tube. Discard the O-ring.

3833dec.jpg

Fig. Fig. 6: Water pump mounting bolt locations
  1. Remove the water pump mounting bolts.
  2. Loosen the clamp at the water pump end of the bypass hose. Slip the bypass hose from the water pump while removing the pump from the engine. Discard the gasket.

To install:
  1. Clean all gasket mating surfaces.
  2. Guide the water pump and new gasket into position while connecting the bypass hose to the pump. Tighten the water pump bolts to 30 ft. lbs. (40 Nm).
  3. Install the bypass hose clamp.
  4. Spin the water pump to ensure the pump impeller does not rub against the timing chain cover.
  5. Coat a new O-ring with coolant and install it to the heater hose coolant return tube.
  6. Install the coolant return tube to the engine. Ensure the slot in the tube bracket is bottomed to the mounting bolt. This will properly position the return tube.
  7. Connect the radiator hose to the water pump.
  8. Connect the heater hose and clamp to the return tube.
  9. Install the water pump pulley and tighten the bolts to 20 ft. lbs. (27 Nm).
  10. Install the accessory drive belt.
  11. Install the cooling fan and shroud.
  12. Fill the cooling system.
  13. Connect the negative battery cable.
  14. Start the engine and check for leaks.


Hope helps.

Aug 19, 2010 | 1994 Jeep Grand Cherokee

1 Answer

How to replace a fuel pump on a 1994 jeep grand cherokee?


I'm assuming that your Jeep have a 5.2L V8 engine (as mine), then check this procedure...

Grand Cherokee 5.2L Engines
(see Figure 6)
  1. Disconnect the negative battery cable.
  2. Open the radiator valve and drain the cooling system.
  3. Remove the cooling fan and shroud as an assembly.
  4. Remove the accessory drive belt.
  5. Remove the water pump pulley from the hub.
  6. Disconnect the hoses from the water pump.
  7. Loosen the heater hose coolant return tube mounting bolt and nut and remove the tube. Discard the O-ring.
25b04d0.jpg

Fig. 6: Water pump mounting bolt locations
  1. Remove the water pump mounting bolts.
  2. Loosen the clamp at the water pump end of the bypass hose. Slip the bypass hose from the water pump while removing the pump from the engine. Discard the gasket.
To install:
  1. Clean all gasket mating surfaces.
  2. Guide the water pump and new gasket into position while connecting the bypass hose to the pump. Tighten the water pump bolts to 30 ft. lbs. (40 Nm).
  3. Install the bypass hose clamp.
  4. Spin the water pump to ensure the pump impeller does not rub against the timing chain cover.
  5. Coat a new O-ring with coolant and install it to the heater hose coolant return tube.
  6. Install the coolant return tube to the engine. Ensure the slot in the tube bracket is bottomed to the mounting bolt. This will properly position the return tube.
  7. Connect the radiator hose to the water pump.
  8. Connect the heater hose and clamp to the return tube.
  9. Install the water pump pulley and tighten the bolts to 20 ft. lbs. (27 Nm).
  10. Install the accessory drive belt.
  11. Install the cooling fan and shroud.
  12. Fill the cooling system.
  13. Connect the negative battery cable.
  14. Start the engine and check for leaks.

Other details can find in your repair manual ZJ-Secc-7-Cooling-System

Hope thats help.

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2 Answers

Where is the oil pressure sending unit on a 1993 jeep grand


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2 Answers

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Will a 4.0 engine out of 91 jeep cherokee work in a 1993 Jeep Grand Cherokee. I have 2 yes and 1 NO so far.


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