GL1500 thermostat change - Page 5 - Steve Saunders Goldwing Forums
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post #41 of 50 (permalink) Old 10-11-2017, 06:26 PM
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Newer GM vehicles run greater than 220 deg,like the new Corvette,230.
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post #42 of 50 (permalink) Old 10-11-2017, 07:49 PM
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Where our '97 normally runs temp wise....
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post #43 of 50 (permalink) Old 10-12-2017, 05:46 AM
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I'm getting 38-40 mpg with my temp gauge at scale, & I'm okay with that. I'm not going to deliberately run my bike hotter just to get maybe a 1-2 mpg. The way I see it, My bike will last much longer if the temp gauge is always pegged to the cold side rather then always pegged to the hot side.
Decades ago when I used to ride snowmobiles, At the local park where people would have impromptu races, My sled had more power after I let it cool down. So that tells me that a hot engine sucks.
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post #44 of 50 (permalink) Old 10-13-2017, 07:24 AM
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My current 2000 model as well as my previous 94 model always ran about 1/4 up the scale on the temp gauge in normal highway riding. Both of them will/do consistently average 40+ mpg. It will drop down below 40 mpg when running hard on the interstates but I normally don't spend much time on them as I prefer to ride secondary roads mostly. The only time they get up over 1/2 scale, and the fans come on, is in stop and go traffic. That seems to be where most folks on here report their temp gauge running.

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post #45 of 50 (permalink) Old 10-14-2017, 05:44 PM
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On the newer cars and also Gold Wings, the computer and systems has been designed to show a 'normal' temperature range that looks cooler than it actually is. If you could see how 'warm' your engine really operates you would have a 'cow!' Most gas engines now a days run around 205 to 220 degrees on the f. scale. The warmer they run the more efficient they are. One reason for the better fuel economy on newer vehicles. Diesel is a "HEAT' engine that uses very high compression to ignite the fuel mixture which is injected into a pre-combustion chamber just before top dead center. A normal automotive gas engine runs around 8.0 to 9.0 to one combustion pressure. My VW Diesel Rabbit ran at 26 to one. Yes, it rattled!!! That is why a diesel engine is louder than a gas.
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post #46 of 50 (permalink) Old 11-04-2017, 09:21 AM
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To add some proof to this. My 93 S10 I have only had since early summer has always ran about 1/3 on the gauge so I assumed the thermostat was fine, until last weekend when the weather got down to freezing. I had to drive to my mom's 175 miles north Sunday morning and the temp would barely get off cold. I stopped behind a store and got a piece of a box and put it in front of the radiator to get some heat. It got 23 MPG like always. When I got home I changed the thermostat and yesterday I made the same trip again and got 24.6 MPG, that was with 135 miles already on that tank before replacing the stat. It now runs 1/2 scale on the gauge, 1/2 is 210 deg.

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post #47 of 50 (permalink) Old 11-04-2017, 07:29 PM
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I know I'm jumping in late. I don't own a later wing. But there are two issues I'd like to pipe up on.
First, don't run without a thermostat. The t-stat helps control the flow of coolant. Without it, you run the danger of creating "hot spots" in the engine and can do serious damage.
Secondly, the operating temperature of your engine is directly related to the oil, or vise versa. Oil is formulated for best protection at a given temperature. Running your engine "colder" or "hotter" than designed can increase wear. If your engine calls for 185, that's what you need to use. Running an engine at 160 may make you feel better, but it's not doing your engine any good.
Dave....same symptoms Friday. Had to put in a new t-stat in my truck to keep warm!....

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post #48 of 50 (permalink) Old 11-12-2017, 08:34 AM
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As far as the frequency of replacing a thermostat...my "new to me" 2000 SE started leaking about 3 weeks after I bought it used from a Honda dealer. Symptoms started when I was warming it up before heading to work one cool morning. Ultimately I gave up figuring out where the leak was coming from, called the dealer and they were willing to stand behind what they sold me and fix it on their dime. Turns out the thermostat was sticking closed so after 5 or so minutes the expanding fluid had nowhere to go but out.

The labor would have been $600 and while talking with the owner of the shop he said that of his 2 experienced GW mechanics, neither had ever replaced one before!

By the way, the shop was Iron Horse Motorcycles in Monroe, NC. They're a honest shop that stands behind what they cell. When I thanked the owner (Mike) for taking care of this he said "Well, it was the right thing to do". Highly recommend!!!!
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post #49 of 50 (permalink) Old 08-23-2019, 02:41 PM Thread Starter
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Quote:
Originally Posted by galaxyhunter View Post
Where did you get your info about the Black line = Stuck open?????????
LONG AGO AND not so FAR AWAY neighbor replaced his thermostat. The temperature now operates nearly like everyone elses, just above 1/2 way on the gauge.

The BLACK LINE position was caused by the thermostat not working and being open. Which by design was the right so the engine does not over heat. I suggested since it is in such a horrid place, pretest that stat several times on the stove. He said he did at least a dozen times.


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post #50 of 50 (permalink) Old 08-24-2019, 07:10 AM
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fans on and of switch

the fans are hot all the time, (looking for a ground).
so I added a switch in the left pocket, and a ground wire to both fans, so when I get into traffic etc I can manually turn the fans on.
works great.
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Last edited by AZgl1800; 08-24-2019 at 10:48 AM. Reason: replaced omitted characters for easier reading
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