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R32 Gtr Heater Hoses

GTsauRus

By GTsauRus,
in General Maintenance

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SteveL Mentor

SteveL

Posted
Posted (edited)
hi

my r32 gtr came with no heater hoses and my cd workshop manual doesnt show them.

I can tell the bottom hose at the heater  is the long one but at the motor end does it go to the block inlet or the pipe coming from the thermostat housing :P

thanx

As it happens I'm doing mine at the moment as I have the plenum off and decided to replace all the hoses so I only have to do this once (in theory). The heater hoses actually aren't all that expensive from Nissan (well I didn't think so anyway.

As you've probably seen there are two hoses attached (or should be in your case :D) to pipes that pass through firewall on the passenger side near the ABS actuator. The bottom of these hoses is the 'longest' - it runs behind the engine to the drivers side, angles down near the clutch master and then attches to a fitting at the back of the block above the starter motor. The second hose is actually 2 separate hoses that are joined at a sensor behind the motor near the ignitor box. It pretty much follows the same path as the first hose, but joins to a metal tube arrangement attached to the bottom of the plenum. The metal tube feeds into a fitting near the thermostat housing via another short rubber hose.

After all that I'd say it would be very difficult to replace the hoses without removing the plenum and it all becomes obvious once it is removed.

If you want I can give you the part numbers for the hoses and they're probably around the $100 mark for them all.

Edited by SteveL
GTsauRus Community Regular

GTsauRus

Posted
  • Author
Posted
ugboot do you have more pics of that 34 in your avatar?

sorry im no help for your question...

hi danh

i have more photos, its my 200mm nitro RC racer tho not a real 34 but it is 4wd 2spd auto makes 1.38hp at 38000 rpm I havnt raced it much since I got my gtr.

GTsauRus Community Regular

GTsauRus

Posted
  • Author
Posted
As it happens I'm doing mine at the moment as I have the plenum off and decided to replace all the hoses so I only have to do this once (in theory).  The heater hoses actually aren't all that expensive from Nissan (well I didn't think so anyway.

As you've probably seen there are two hoses attached (or should be in your case :)) to pipes that pass through firewall on the passenger side near the ABS actuator.    The bottom of these hoses is the 'longest' - it runs behind the engine to the drivers side, angles down near the clutch master and then attches to a fitting at the back of the block above the starter motor.    The second hose is actually 2 separate hoses that are joined at a sensor behind the motor near the ignitor box.  It pretty much follows the same path as the first hose, but joins to a metal tube arrangement attached to the bottom of the plenum.  The metal tube feeds into a fitting near the thermostat housing via another short rubber hose.

After all that I'd say it would be very difficult to replace the hoses without removing the plenum and it all becomes obvious once it is removed.

If you want I can give you the part numbers for the hoses and they're probably around the $100 mark for them all.

Excellent reply thanx

Im having trouble getting the long one onto the block fitting trying to do it from underneath after i moved the starter out of the way.

I bought hoses 1 long + 1 short =$96 and 6 plenum gaskets =$25 so i need the other short hose  plus the sensor(sensor joins the 2 short ones???) 

wasit easy to get the plenum off while in the car???????

I intended removing it but was gunna wait till i got a oil filter relocation kit. and do it all together

Ive got a couple of days wait for a new radiator so i wanna do the hoses and the timing belt while the rad is out but cant afford the filter relocation yet. then off for a run up to brisbane.

SteveL Mentor

SteveL

Posted
Posted
Excellent reply thanx

Im having trouble getting the long one onto the block fitting trying to do it from underneath after i moved the starter out of the way.

I bought hoses 1 long + 1 short =$96 and 6 plenum gaskets =$25 so i need the other short hose  plus the sensor(sensor joins the 2 short ones???)

wasit easy to get the plenum off while in the car???????

I intended removing it but was gunna wait till i got a oil filter relocation kit. and do it all together

Ive got a couple of days wait for a new radiator so i wanna do the hoses and the timing belt while the rad is out but cant afford the filter relocation yet. then off for a run up to brisbane.

There are inlet and and outlet hoses to the heater core at the firewall. One of them is a single long hose, but the other is made up of 2 shorter hoses joined by the sensor. Nissan sells the hoses individually, so there are 3 hoses + the sensor. On top of that there's another short hose near the thermostat (you probably can't even see that one.....if it's there in your car (??).

Plenum was easier to get off than I expected, but still fiddly. The 'secret' is to unbolt the small 'sub' plenum from the main plenum (the 'sub' plenum has the AAC valve attached - in fact it's best remove the AAC valve first). You also need to disconnect the fuel pipes plus a few other small bolts attached to the bottom and side of the plenum - all good fun as it has to be done by feel (ie blind). I also found I needed to use a range of 12mm spanners and small sockets to get the plenum nuts undone.

I'd recommend doing all the hoses, etc after you take the plenum off.

Heater hose PN's:

92410-05U00 - long heater hose

92402-05U00 - hose from engine to sensor

92401-05U00 - hose from sensor to firewall

27724-05U00 - sensor

14055-05U11 - hose at thermostat housing

danh Community Regular

danh

Posted
Posted
hi danh

i have more photos, its my 200mm nitro RC racer tho not a real 34 but it is 4wd 2spd auto makes 1.38hp at 38000 rpm I havnt raced it much since I got my gtr.

ohhh man thats hot! haha

it looks like the phattest wide body 34 in the pic!

well if you wouldnt mind sending me that pic u have in ur av, to

[email protected],

cheers mate

Dan

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