buy one get one free

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ARCHIVE_Grabber_grabbs

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How to know if the temp sensor are working ???

Hi there. I have a 85 ZL900 and i am suspecting that my temp sensor located under the radiator might be deffective. Just wondering it there is a possibility to check if it does work or not...
I did let the bike running on idle for couples of minutes, to my surprise the fan started but it doesnt tell me what sensor kicked it, is it the 97degres , or the 110 degree one... Usually the fan used to start when i shut the engine off, but not anymore... could this be because the weather is a lot colder in fall than summer ? (could be)
I want to get this streight though.

If i remove the sensor from under the radiator (97degres sensor) while leaving it connected. If i drop it into some boiling water, should it make the fan start ? (with the engine off of course)

I also occasionnly hear some glou glou glou noise when i put the bike streight from the stand. Like when i want to check the oil level, i often hear the glou glou noise like if there was some air trapped into the system. I did flush the coolant and replaced it, I did bleed the water pump and have also bleeded the thermostat housing. To my knowledge there is no way to put more coolant since the radiator is full of it.

So in summary, two question :

Is the glou glou noise normal ?
How to verify if the temp sensor (below the rad) is working ?

OUps, forgot. I did the wiring bypass from the 97degres sensor to 110 sensor this weekend, refered by someone on this forums. Thanks.
 
Grabber_grabbs,

The gurgling sound you hear would be normal if it was coming from the overflow bottle, under the seat. You need to verify where it is coming from first. The cooling system is a sealed type, and if it is coming from anywhere else excessively, usually means there is some air trapped in the system, and needs to be bled out.

You can find the sensor tests in the Ninja shop manual for our bikes. Off the top of my head, the tests shown will step you through all of the sensors related to the fan and oil/temp light on the tach. This is where I would start.

If it has cooled down in your neck of the woods as it has here in Chi-Town, it is a good bet that the fan will NOT kick on after you shut the engine off. I have noticed it all depends how long you let the bike idle, before you turn the key off.

Good luck.
 
so based on what is said here :
1. Ignition OFF – Fan runs anytime temp is above 97°C @ radiator base.

2. Ignition ON and oil is below 120°C – Fan ON anytime temp is above 97°C @ radiator base.

3. Ignition ON and oil is above 120°C – Fan OFF if temp is below 110°C @ thermostat inlet.

4. Ignition ON and oil is above 120°C – Fan ON anytime temp is above 110°C @ thermostat inlet.

According to No. 1 above, i should be able to start the fan by letting the 97Degres sensor in boiling water right ?

Other question if you dont mind, how do you bleen a cooling system other than bleeding the water pump and bleeding the thermostat housing ?

I have noticed one thing, i went for a ride yesterday (30min ride) and when i came back at my place, i did removed the gaz tank and also removed the radiator cap and there was no pressure. I know that sometime it might be dangerous to remove the radiator cap when the engine is hot, but on mine, there was no pressure !! The coolant was hot though.

Thanks for responding.
 
G_G,
According to No. 1 above, I should be able to start the fan by letting the 97Degres sensor in boiling water right?
Click to expand...
Correct.

The lack of pressure could be the result of a faulty cap and/or cap receptacle. I’ll assume you’ve checked elsewhere and there are no leaks, so a faulty cap seal is indicated as leaks here would return to the reservoir and not be so noticeable.

Check the seat inside the receptacle where the cap’s rubber washer sits flush against it (it's a black plastic receptacle and held in place on the thermostat housing with two screws). You should see a slightly raised lip (rounded) which runs all the way around the hole and bites into the cap's rubber when it is on tight. Mine was missing 50% of this lip (broken off) and it also leaked until I replaced it. If yours needs replacing it is fairly simple, just be careful not to damage the 'O' ring between it and the housing. If you have a damaged lip/cap it might explain why the system’s not retaining pressure and therefore the water will boil off at a lower temp. This may also explain why you sometimes hear gurgling in the plumbing, as the system boils within. This boiling off at lower temps could also explain why you constantly have to bleed the system of air even though you’ve done so several times previously.

Although I’m not certain I believe these black plastic receptacles would be common among other models of this era (GPz900R and Concours etc. at the wreckers?). Oh, and if the ‘O’ ring doesn’t seal properly when disturbed after 18 years, soak it in kerosene for 20 minutes and try again (not too long because the kero will not only make it swell and seal better, it will also make it grow in length and thus make it difficult to put back in its place).
 
Written by Jenny Shu
Friday, 23 February 2007

Glen Fergusson - Sales and Marketing manager for a brand new Californian Porsche dealer. Has lost his job and faces possible legal proceedings as the company strives to reclaim the costs of the 18 Porsches given away free under Glen's Opening day "buy one get one free promotion" "I admit I didn't really do the numbers properly on this one" said Glen who told reporters that he had "seen the concept work really well for coffee stores" and in terms of numbers you could argue that Glen's campaign worked. As the new Porsche dealer sold 18 Porsches in the first hour of the store opening.

It took the head office a full hour to realise what was going on and subsequently shut the store.

Local man Bruce Stepper took out a second mortgage on his home after getting a promotional flyer in his mailbox. "I am ecstatic - I brought a shiny red Porsche today, got another one free and I have sold just sold it on EBay, all up I end up getting a Porsche 911 for $5000"

Jane Cameron was arguably even more entrepreneurial. The local Janitor purchased a Porsche using the dealers "no deposit finance plan for low income earners", sold both cars, paid off the finance account and walked away with $120,000 profit. The finance plan was another one of Glen's initiatives that has now been cancelled.

A red faced Glen stated "I have never really been too good at Math and I was sure the whole time we were making money - I was initially blown away by the amount of cars we were selling in that first hour. I had seen the "buy one get one free card" work extremely well for the new coffee shop down the road and thought what a great idea I will try it here."

National spokesman for the dealership chain was quoted as saying "We are just glad that the idiot didn’t have time to run with his 'test drive 5 cars, get one free loyalty stamp card' campaign.
Click to expand...

Class :rotf:
KK
 
Bugger, why wasn't I told...

So I take it this guy wasn't well liked by his staff, particularly his finance officer (I assume he wasn't running the dealership alone). Odd that they all let him run with it, and dig his own grave.
 
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