Question about 2004 Honda Odyssey

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Where is the bolt to drain the coolant in the block of a 2004 honda odyssey v6

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Lower right or lower left side (between radiator and engine) of the radiator itself.

Posted on Jul 29, 2009


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Replacing a thermostat on 2004 nissan sentra

  • Prepare for the replacement by disconnecting the negative battery cable and draining the engine coolant into a container--you need to remove the drain plug from the radiator first and then the drain plug at the engine block.

  • Remove the engine's cooling fan by loosening the fan/water pump pulley nuts, unclipping and removing the fan shroud's lower half, removing the water pump pulley nuts and pulling the fan out from underneath.

    Disconnect all components blocking access to the thermostat by removing their bolts. On four-cylinder engines, this includes the air cleaner, air intake duct and the power steering pump's support bracket. On a 3.3 liter V6 or SOHC engine, remove the upper radiator hose from the intake manifold's coolant outlet.

  • Slip off the drive belts blocking the thermostat by turning their tensioner bolts with a wrench or breaker bar. On a 3.3 liter truck or DOHC engine, follow this by removing the upper idler pulley bracket. On a 3.5 liter engine, remove the water pump drain plug from the front end of the block.

  • Detach all hoses from the thermostat housing cover by loosening the hose clamps with pliers; this usually includes the lower radiator hose. This is only needed on V6 engines; you will keep the hose attached on a four-cylinder.

  • Remove the thermostat housing cover by removing its bolts. There will be some coolant spilling out when the gasket seal breaks.

  • Disconnect and remove the thermostat from its cover by removing its screws. Take note of how the thermostat is positioned within the cover.

  • Scrape away all traces of gasket or sealant from the housing and cover and clean the surfaces with lacquer thinner.

  • Apply RTV sealant around the edge of the thermostat cover. You need to re-install the cover within five minutes of applying this sealant.

  • Mount the new thermostat into the cover in the same position the old thermostat was in.

  • Re-install the thermostat cover and all other parts in reverse order of installation.

  • Wait a half hour for the RTV sealant to cure before refilling the engine coolant. Use fresh coolant if the old coolant is contaminated.

  • Mar 20, 2011 | Nissan Sentra Cars & Trucks

    1 Answer

    Need to replace thermostat on 2003 Honda Odyssey, and need directions. Can you help?

    Drain the radiator by removing the drain plug on the lower right side. If the coolant is fairly new, save it and reuse it. While the radiator is draining, find the code for the car stereo. It should be in with the owner's manual or sales paperwork. (You will need this code later because you are going to disconnect the battery and remove it for access to the thermostat.) Remove the battery. Follow the lower radiator hose to the engine to locate the thermostat housing. Loosen the hose clamp and detach the hose. If it feels stuck, try to twist it first--then pull it off.Remove the thermostat cover bolts and detach the housing cover. If it is stuck, tap it with a soft-face hammer to jar it loose. Be prepared for some additional coolant to spill when the gasket seal is broken. Remove all traces of the old gasket. Install a new rubber seal over the new thermostat and install into the housing. Make sure the jiggle valve is on top and the spring side of the thermostat is directed into the engine. Replace the housing cover and bolt up. Replace the radiator hose. Replace the battery. Refill with coolant. Use the stereo code to get the radio to work.

    Jan 29, 2011 | 2003 Honda Odyssey

    1 Answer

    Change water pump 1995 Honda accord/ V6

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    Removal & Installation
    1. Note the radio security code and station presets.
    2. Disconnect the negative battery cable.
    3. Drain the coolant from the radiator, into a suitable container.
    4. Remove the timing belt. Refer to the Timing Belt replacement in this section for specific details.
    5. On Odyssey models with the V6 engine, remove the timing belt tensioner. Refer to the Timing Belt replacement in this section for specific details.
    6. Remove the bolts that attach the pump to the cylinder block.
    7. If available, locate the two 6.0 mm x 1.0 mm threaded holes opposite from one another on the outer perimeter of the water pump.
      • Install by hand, two 6.0mm x 1.0mm bolts at least 1 in. (25mm) long, until resistance is felt.
      • Simultaneously turn each bolt one turn at a time until the water pump can be released from the engine block.
    8. Remove the water pump.


    Exploded view of the water pump mounting-be sure to replace the O-ring during assembly


    If available, use the two 6.0 mm x 1.0 mm threaded holes on the water pump to release the pump from the engine block


    Make sure the water pump O-ring is fully seated in the water pump. Using a non hardening gasket sealant will help to hold the seal in place during assembly

    To install:

    1. Inspect and clean the O-ring mating surface on cylinder block.
    2. Install a new O-ring on the water pump. Apply a non-hardening gasket sealant between the water pump O-ring and the pump to hold the O-ring in place during assembly.
    3. Install the water pump onto the cylinder block and tighten the bolts to 106 inch lbs. (12 Nm).
    4. On Odyssey models with the V6 engine, install the automatic timing belt tensioner, with the tensioner fully retracted using the special tool 14540-P8A-A01 or equivalent. Refer to the Timing Belt replacement in this section for specific details.
    5. Install the timing belt.
    6. On 4-cylinder Odyssey models, open the cooling system bleed bolt located on the thermostat housing.
    7. Set the heater to the full hot position.
    8. Refill the radiator with a coolant mixture containing 50% antifreeze. Use only antifreeze formulated to prevent the corrosion of aluminum parts. Fill the radiator with the coolant solution.
    9. On 4-cylinder Odyssey models, fill with coolant until the bleed bolt is free of air bubbles. Then, tighten the bleed bolt to 88 inch lbs. (10 Nm).
    10. Install the radiator cap loosely.
    11. Reconnect the negative battery cable.
    12. Run the engine until the cooling fans cycle two times.
    13. Turn the engine OFF and top off the cooling system as necessary.
    14. Install the radiator cap and check for coolant leaks. Be sure the cooling fan turns on.
    15. Recheck the coolant level and add more if necessary.
    16. Enter the radio security code.
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    Dec 09, 2010 | 1999 Honda Odyssey

    1 Answer

    Honda Odyssey when driving rpm goes up but the car does not move any faster. if you turn off the engine and turn it back on it drives fine for a while and then the rpm goes up again and the car seems to...

    Sounds like your transmission is on the way out. Google "transmission problem 2004 Odyssey" and you will know the deal on your transmission. Lots of early 2000 model honda V6 transmissions had lots of problems.

    Oct 17, 2010 | 2004 Honda Odyssey

    1 Answer

    I want to replace the manifold on my 1996 Honda Odyssey, I need instructions on how to do it.

    it shouldent be all that difficult, first u need to drain the coolant from your engine, then undo the bolts and buy a new gasket for your manifold, then put it back on and make sure u plug everything back in that u unplugged

    Jul 05, 2010 | 1996 Honda Odyssey

    1 Answer

    Location of sparkplug on 2004 Honda Odyssey EX and replacement

    the spark plugs are located under the coil packs they have one or two bolts holding each one in. you have six cylinder so there should be six coil packs three facing you when you pop hood and three more located towards the back. let me know if you have any other questions.

    Jul 02, 2010 | 2004 Honda Odyssey

    1 Answer

    How do you remove the front engine mount on a 2004 Honda Odyssey?

    loose the bottom bolts loose the top nut
    jack the engine up by the oil pan ( put a piece of wood on the jack )
    remove the mount

    Mar 03, 2010 | 2004 Honda Odyssey

    1 Answer

    How do you replace the radiator coolant on a 2005 Honda Odyssey

    Try looking here for general removal/replacement info...

    Jul 02, 2009 | 2005 Honda Odyssey

    2 Answers

    Where do you put transmission fluid into the transmission?

    First you have to drain old fluid.

    The drain plug is towards the front of the transmission.
    The refill port is closed by a bolt located at the top of the transmission

    Read full instructions here: Automobile Repair Honda Odyssey Change Transmission Fluid.

    Do not forget to leave feedback.


    Jun 18, 2009 | 2001 Honda Odyssey

    1 Answer

    Need to replace radiator in 1997 honda accord se. what are the steps?

    First drain radiator by opening drain valve,"located on bottom corner usualy the right,but not always." If you open the overflow or remove cap this will happen much faster.For safety sake disconnect ground wire from battery,the radiator is locked down by top cover that attaches to body with generaly 4 bolts, upper and lower hoses have to be disconnected and if it is automatic the transmission cooling lines are connected in stacked fashion,"one above the other."The cooling fan has to be unplugged and it should be removable at this point,"when unplugging fan be carefull with connector so it doesn't break.reverse steps to replace making sure the bolts go in the right place and it all fits properly.the thermostat,"located behind the kneck of upper hose," should be replaced after connecting lower hose because in order to fill the block up and prevent damaging thermostat the block shoud be filled with coolant before attaching upper hose.

    Apr 20, 2009 | 1997 Honda Odyssey

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