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Cooling System Hoses

simpletool

By simpletool,
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simpletool Mentor

simpletool

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Posted (edited)

Hi Everyone,

Well while I was 600km from home I had a heater hose leak (R33 gtst). I made a bypass and have made it home, all good, no overheating issues.

Now, I guess it is time to replace as many hoses as possible in the cooling system. So how many hoses are there and where do I get all these parts from?

Can anyone tell me the part numbers for the heater hoses and any other necessary Nissan parts?

I will replace as much straight/small hoses with Pirtek generic hose I guess. And the radiator must need replacing too, so I guess I'll get one of those Mspec ones?

Anybody done this to an R33 GTST and can help me out with some advice? Is there a kit and a Nissan part number?

Edited by simpletool
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simpletool Mentor

simpletool

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So far I have found:

Heater hoses (4) in silicon by samco (UK) for R33/R34 and R32 GTR. Worth a look if you want quality.

Ebay also has a 14 piece kit for the GTR (includes oil, air and water lines). But quality could be a bit unknown for pressure.

I am in contact with Nissan atm, will give part numbers when I get them.

Omurru Veteran

Omurru

Posted
Posted

This is on my to do list as well, dammit, that list is so long.

Gates Racing make very good quality hoses, I have used them on other cars and they are much better than the stock ones, they tend not to go all soft and loose around fittings after time like other hoses do. I'm not sure about them making the heater hoses though, I know they make the main ones.

simpletool Mentor

simpletool

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But Samco only make for GTR, pity.

I've got a pic of the heater and cooling systems from Nissan, I will upload tonight or tomorrow.

Got 2 heater hoses and the white plastic 4-way joiner thing on the firewall on order.

I will also get Gates radiator pipes and the Mspec radiator. I will replace the other hoses next year - hopefully by then someone will make a silcon kit or something. Surely there are hundreds of R33 GTST owners out there who must be so close to needing new hoses, mine is a late 96 and it's time. What about those older car owners?

Edited by simpletool
Ant97GTR Grand Master

Ant97GTR

Posted
Posted

I did this very thing on my gtst. I had one of the rad hoses let go and figured they were all the same age and didn't want a coolant hose to keep leaking every second week.

I simply went to nissan (brighton here in Melb) and said I want every coolant hose replaced....they did all the hard work sourcing the hoses (no kit, although some hoses come in pairs etc). This was about 3 years ago so I don't have the receipt but from memory it cost around the 800 mark for all the hoses and clamps + labour to get them done. Not cheap but gave me piece of mind and I never had another problem.

Oh yeah and I'd def go genuine hoses as they are rated to pressures and temps. Other non genuine hoses NEVER seem to last as long as the genuine items.

simpletool Mentor

simpletool

Posted
  • Author
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Here are the diagrams as promised for R33 Series 2 - RB25DET

Heater Hoses:

post-23086-1196832090_thumb.jpg

Coolant Hoses:

post-23086-1196832126_thumb.jpg

Part numbers can be hard to make out, but these were supplied to my by Nissan parts person. There are prefix number to be attached to these, but now you can see what they see when looking for your parts.

The thing in the top corner of the heater hoses is the white plastic part that goes on the firewall - I got a new one of these today.

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