Question about 1994 Nissan Quest

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Radiator lower hose leak

The lower hose on the radiator is leaking, but the service guy said that i have to lift up the radiator to take out the bi-pass hose. he wants $300 to do it. can i do this myself? i did do the tune up myself. he also said it would take 4 hours. am i missing something here?

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Posted on Apr 11, 2009

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My ford taurus 1995 was working perfect untill i found a leak at the lower radiator hose by the water pump a fixed and i change the thermostat but now a have a overheating problems, i am wondering if the...


if the leak was near the lower radiator hose then most likly the water pump is bad. The thermosat is located on the upper radiator hose, and as long as it was installed the correct way there should be no issue there.

Mar 02, 2011 | Ford Taurus Cars & Trucks

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When I crank the car, coolant leaks on the lower driver's side of the radiator. When the engine gets warmed up and the thermostat opens, then the leaking stops immediately. I can't see exactly where it's...


Checkyour hose clamps its likely leaking at one of them feel the back side of the lower hose to see if its running down the hose and ending up at the radiator but if it stops when the t stat opens the radiator is probably not leaking

Dec 04, 2010 | 2005 Chrysler Town & Country

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I am having a problem with antifreeze smell and leak. I can't see where the leak is coming from but I do see spots on the ground. It does not over heat but it does have a sent of pancake syrup once heated....


LEAK COULD BE COMING FROM RADIATOR.WHEN YOU FIRST START VECHICLE UP IN MORNING LET ENGINE IDLE TO GET UNTIL THERMOSTAT OPEN AND COOLANT PRESSURE BUILD UP. TURN ENGINE.OFF. RAISE HOOD YOU WILL SEE LEAK. THE COOLANT PRESSURE WILL PUSH OUT ANTIFREEZE.LOOK FOR LEAKS AROUND TOP RADIATOR HOSE AND LOWER RADIATOR HOSE.LOOK ON SIDES RADIATOR AND LOOK BELOW RADIATOR AREA WHERE COOLANTS FANS LOCATED RADIATOR CORES WILL LEAK AND LOOK AROUND WATER PUMP + BYPASS HOSE + CHECK HEATER HOSES TO HEATER CORE THAT GOES THROUGH BACK LOWER FIRE WALL.

Nov 12, 2010 | 2002 Ford Taurus

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How do I replace a radiator on a 2002 maxima


Nissan Car 350Z & Maxima 1999-06 Radiator - Removal & Installation

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    Negative battery cable Coolant reservoir tank and bracket Upper mounting bracket Upper radiator hose Oil cooler lines, if equipped Lower radiator hose Cooling fan and condenser fan Fan motors and shields Radiator

To install:
  1. Install or connect the following:
    Radiator Fan motors and shields Cooling and condenser fans and torque the bolts to 44 inch lbs. (5 Nm) Lower radiator hose Oil cooler lines, if equipped Upper radiator hose Upper mounting bracket Coolant reservoir tank and bracket and torque the bolt to 44 inch lbs. (5 Nm) Negative battery cable
  2. Fill the cooling system to the proper level.
  3. Start the vehicle, check for leaks and repair if necessary.
WARNING Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine coolant escaping from radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    Negative battery cable Coolant reservoir tank and bracket Upper mounting bracket Upper radiator hose Oil cooler lines, if equipped Lower radiator hose Cooling fan and condenser fan Fan motors and shields Radiator
To install:
  1. Install or connect the following:
    Radiator Fan motors and shields Cooling and condenser fans and torque the bolts to 44 inch lbs. (5 Nm) Lower radiator hose Oil cooler lines, if equipped Upper radiator hose Upper mounting bracket Coolant reservoir tank and bracket and torque the bolt to 44 inch lbs. (5 Nm) Negative battery cable

  2. Fill the cooling system to the proper level.
  3. Start the vehicle, check for leaks and repair if necessary.
WARNING Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine coolant escaping from radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
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Fig. Exploded view of radiator and components
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    CAUTION Do not damage or scratch the A/C condenser and radiator core while removing.
    CAUTION Because A/C condenser is onto the front-lower portion of radiator, moving to rear direction should be at minimum.
    Negative battery cable Engine cover Air duct and air cleaner case assembly Bracket mounting bolt for anchoring A/C piping Reservoir tank and bracket Upper and lower radiator hoses Radiator cooling fan assembly On A/T models, A/T fluid cooler hoses. Plug hoses to avoid leakage Cover, then two A/C condensing mounting bolts located in the upper part of the radiator Rotate two radiator upper mount brackets 90 degrees in the direction shown in the illustration and remove fce8147.jpg

    Fig. Removing A/C condensing mounting bolts

    d3c8f50.jpg

    Fig. Rotating radiator upper mount brackets 90 degrees

    edb9f67.jpg

    Fig. Removing radiator
  4. Remove the radiator by performing the following:
    CAUTION Lifting A/C condenser should be minimum to prevent a load to A/C piping.
    With lifting and pulling radiator in a rear direction, disassemble lower mount from radiator core support center. Lift A/C condenser up and remove radiator after disengaging the fitting as front-bottom surface After removing radiator, put A/C condenser on radiator core support center to prevent a load to A/C piping, and temporarily fix it with rope or similar means

To install:
  1. To install, reverse removal procedure.
  2. Check radiator cap for any leaks.
  3. Start and warm up engine. Check for engine coolant leaks and A/T fluid leaks.

Hope this help (remember comment and rated this).

May 12, 2010 | 2002 Nissan Maxima

2 Answers

Leaking radiator fluid where lower hose connects w/core


Hi:

If you have a leak near the lower radiator connection that just started, it is either a failed hose, or possibly a radiator core leak that is dripping down to that area.
If you havent changed your radiator hoses for awhile, and they feel soft, it isn't a bad idea to change them both. If you drain your radiator to change the hoses, this would be a good time to inspect the radiator, and perhaps you will find the source of the leak.

Jan 31, 2010 | 1994 Jeep Grand Cherokee

2 Answers

Radiator hose 93 chevrolet cavalier not sure if it is upper or lowerthe one cracked comes out of bottom of radiator so i assume it is the lower


depending on how many miles you have on the car i would look at the lower hose first; the other common problem on a 93 cav would be the lower radiator neck or radiator leak; the lower hose has less pressure on it than the upper so sometimes finding the leak can be tricky. with the engine off and cold squeeze the lower hose by the radiator to see if any fluid comes out. otherwise you would have to pressurize the system to find the leak

Sep 16, 2009 | 1993 Chevrolet Cavalier

2 Answers

Car began overheating, so we added antifreeze and water. Then the next day, it all leaked out. Upper hoses appear to be ok. Are there lower hoses?


It should have a lower hose also. Or you could check around the water pump, they have a weep hole on it and they usually leak if the pump is bad.

Jul 09, 2009 | 1991 Ford Tempo 4 Door

1 Answer

Oil Leak


The oil leak at bottom of radiator could be oil cooler and/or supply hose. Try check closely for wettest area .
The other leak could be thermostat cover, it only uses a sealing ring and is prone to leaking after time.

Jun 25, 2008 | 1997 Saab 9000

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