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R34 Gt Belts...

ontheranch

By ontheranch,
in South Australia

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ontheranch Experienced

ontheranch

Posted
  • Author
Posted

Hey,

Its not the timing belt, that was changed and isnt due for replacement till 170,000kms

If i spray brake cleaner on the altenator/waterpump belt it will change sounds.....

The waterpump has no leaks or nothing either. How can you tell if its bearings or seals?....

RubyRS4 Grand Master

RubyRS4

Posted
Posted
Hey,

Its not the timing belt, that was changed and isnt due for replacement till 170,000kms

If i spray brake cleaner on the altenator/waterpump belt it will change sounds.....

The waterpump has no leaks or nothing either. How can you tell if its bearings or seals?....

If you can get the long (straw-type) nozzle of some WD40 to the waterpump, there is a hole in it for lubrication, squirt some in (with the engine off of course), start car and see if the noise subsides. If it does, add in some handy oil if you can get some in that tight spot (use a straw etc). If the noise returns ... then its time for another water pump.

I had a waterpump die on my silver RS4. Started off as noise (bearings) then eventually started leaking thru the seals on the shaft. While waiting for a new pump to come via post, the small leak turned into a total pump failure. :D

nugzy31 Proficient

nugzy31

Posted
Posted

usually you can hear if a bearing is gone if you have a long screwdriver....whilist the engine is running, put the sharp end of the screwdriveron either the water pump..or pulley housing..without touching the pulleys (obviously)...then put your ear up against the handle of the screwdriver...you will ba able to hear a noise that will determine if it is actually bearing noise...kinda like a stethoscope...or putting your ear on the train line

JMW Mentor

JMW

Posted
Posted

Hole for the water pump is actually underneath as far as i remember. Alternator bearings to get noisy too. Are you sure the belts are seated properly in the groves of the pulleys? A spray with CRC Belt Grip could also help.

The guys are heading in the right direction, were the cam seals and crank seal done with the timing belt? Possibly over tightened belts? Should be about 10mm movement up and down at the belts longest point between pulleys. Over tightening will put extra side load on bearing and chew them out a lot quicker.

ontheranch Experienced

ontheranch

Posted
  • Author
Posted
Hole for the water pump is actually underneath as far as i remember. Alternator bearings to get noisy too. Are you sure the belts are seated properly in the groves of the pulleys? A spray with CRC Belt Grip could also help.

The guys are heading in the right direction, were the cam seals and crank seal done with the timing belt? Possibly over tightened belts? Should be about 10mm movement up and down at the belts longest point between pulleys. Over tightening will put extra side load on bearing and chew them out a lot quicker.

I used tones of belt grip on my old belts and it helped for a small amount of time but in the end i had to put it on every week and it kinda made it like glue... My old belts wernt even in bad condition either.

I don't think they are to tight but I'll check again. They are Dayco belts and are lined up perfectly. Considering it did it with the old and new ones it's very much sounding like bearings.

Does anyone know how much they cost to replace? Oh and the sound is definatly not from the timing belt.

JMW Mentor

JMW

Posted
Posted

New alternator bearing you could get done at the place on Carlton rd in Gawler, cant remember thier name but they are an electric motor rewinders. Water pump, better of getting a new one through Nissan, dont go for the cheaper option they're shite also dont belive parts guys when they say RB30 is the same. Power steering pump would have to be taken to someone like ReCar at St Agnes or similar.

I'd start with the alternator and maybe water pump. Only down side with the water pump is you have to take off all your timing belt cover, harmonic balancer(unless you can get the bottom cover off without removing it),and timing belt.

Hope it all goes well for you Penny

JMW Mentor

JMW

Posted
Posted

Sounds like your spot on Penny. I wouldn't go pricing a new one through Nissan though. Check that place on Carlton Rd out, if they're still there. They should be able to put new bearings in and give it a freshen up inside.

nugzy31 Proficient

nugzy31

Posted
Posted
Water pump, better of getting a new one through Nissan, dont go for the cheaper option they're shite also dont belive parts guys when they say RB30 is the same.

exactly....RB30 pumps are different...only slightly though....the outside looks the same..its just mounted differently...we stock aftermarket ones at motor traders :blink: and i could do a good price if that ends up being the problem :blink:

RubyRS4 Grand Master

RubyRS4

Posted
Posted

Penny, I've got an RB25 pump in my garage, new and unused, still wrapped in plastic. My waterpump checked out okay when I did my cam belt, so I never fitted it.

There if you're interested. Sorry for stealing clientele Ben :blink:

:blink:

ontheranch Experienced

ontheranch

Posted
  • Author
Posted

Cool, I know where to come if its my waterpump then! :blink:

Im going to get the altenator checked as soon as I can. It would make sense if it was that because I heard some whining about a month ago and thought that could have been my altenator...... It could still be whining but i cant hear it over the squeeking.

I hate driving it while its noisy, but I dont have a choice right now.

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