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Offline troyg3

New owner - overheating question
« on: April 03, 2017, 11:17:13 AM »
I just purchased a used 2013 Z6 EX. I was out riding last weekend and after about 30-45 mins of normal riding, the temp gauge would go into the red. I stopped and checked the coolant level and that was fine. Also at that time the Malfunction light came on (not blinking, just solid on) but went off once the engine cooled down. Any advise on what to check first? When I bought it, it was a little dirty so I am thinking the radiator might be plugged up so I am going to get that cleaned out good and try again. Any other ideas suggestions would be appreciated. Thanks!

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Offline NMKawierider

Re: New owner - overheating question
« Reply #1 on: April 03, 2017, 11:22:32 AM »
On CFMs prior to 2016 with a heating problem always check the thermoswitch first. Most all of them have gone bad at one time or another. This controls the fan and is on the radiator. After that check the thermostat and flow rate....and actual coolant level in the radiator. It must be full to the very top.
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline troyg3

Re: New owner - overheating question
« Reply #2 on: April 03, 2017, 11:40:15 AM »
On CFMs prior to 2016 with a heating problem always check the thermoswitch first. Most all of them have gone bad at one time or another. This controls the fan and is on the radiator. After that check the thermostat and flow rate....and actual coolant level in the radiator. It must be full to the very top.

Thanks for the reply. The fan actually does seem to run when needed, so I kind of ruled out the switch. Not even sure how to check the flow rate, but that seems like a good plan so i'll have to look into that.

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Offline dragonmac

Re: New owner - overheating question
« Reply #3 on: April 03, 2017, 12:07:54 PM »
The coolant fan should kick in with the third bar on the coolant gauge ... does it sound fast or high speed ? if not check for poor continuity on the power wire or a poor ground on the opposite wire... if only getting 8-10 volts it will still kick in but not with enough speed to cool...just a place to look ;D
2012 zforce 600 snyper
Kaw 650 v-twin atv
Honda 450 foreman es
Javelin 130 hp Bass
24' Grumann Pontoon

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Offline troyg3

Re: New owner - overheating question
« Reply #4 on: April 03, 2017, 12:14:43 PM »
The coolant fan should kick in with the third bar on the coolant gauge ... does it sound fast or high speed ? if not check for poor continuity on the power wire or a poor ground on the opposite wire... if only getting 8-10 volts it will still kick in but not with enough speed to cool...just a place to look ;D

Thanks, I will test it to see when it kicks in and also the continuity.

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Offline Cosmosdan

Re: New owner - overheating question
« Reply #5 on: April 03, 2017, 09:09:14 PM »
It's not easy to get all that dirt out between the fins, might just use a flashlight and check to be sure.
2013 Z6 Trail
Iron Baltic skid plates
UE Boom Speaker mount
RZR 800 Shocks
Mostly stock trail riding
25g. Rollers and A1

2016 Outlander max 570
Too new for mods yet

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Offline gfmoto

Re: New owner - overheating question
« Reply #6 on: April 05, 2017, 02:39:35 PM »
I would say it is the Thermoswitch, I have been through 3 so far and now that it is getting nice outside I will be installing an override switch.
2015 ZForce 800EX
32" light bar
2-4" spots
Custom Cv guards
DIY 1/2 windshield
UNI air filter
DIY rear window
BOSS ATV 28. 450W speakers
Alpena Rock Lights (tough pods)
2" RZR Bracket lift
Roof extensions
27" Maxxis Corranado Tires
Alpena RGB rock lights
SuperATV Rocksliders
1/2 Doors w/custom paint and graphics

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Offline troyg3

Re: New owner - overheating question
« Reply #7 on: April 06, 2017, 08:56:20 AM »
I would say it is the Thermoswitch, I have been through 3 so far and now that it is getting nice outside I will be installing an override switch.

Do you have a resource for the thermoswitch?

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Offline NMKawierider

Re: New owner - overheating question
« Reply #8 on: April 06, 2017, 09:09:06 AM »
I would say it is the Thermoswitch, I have been through 3 so far and now that it is getting nice outside I will be installing an override switch.

Do you have a resource for the thermoswitch?
I get my stuff from Alpha-Sports.
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline troyg3

Re: New owner - overheating question
« Reply #9 on: April 06, 2017, 09:51:47 AM »
I would say it is the Thermoswitch, I have been through 3 so far and now that it is getting nice outside I will be installing an override switch.

Do you have a resource for the thermoswitch?
I get my stuff from Alpha-Sports.

Perfect, thanks!

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Offline gfmoto

Re: New owner - overheating question
« Reply #10 on: April 06, 2017, 11:41:39 AM »
I got mine from my dealer so, I can only say that its a super easy fix when you get the part.
Kibuks Cycle in Kittaning Pa.
2015 ZForce 800EX
32" light bar
2-4" spots
Custom Cv guards
DIY 1/2 windshield
UNI air filter
DIY rear window
BOSS ATV 28. 450W speakers
Alpena Rock Lights (tough pods)
2" RZR Bracket lift
Roof extensions
27" Maxxis Corranado Tires
Alpena RGB rock lights
SuperATV Rocksliders
1/2 Doors w/custom paint and graphics

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Offline troyg3

Re: New owner - overheating question
« Reply #11 on: April 23, 2017, 06:38:49 PM »
Well the radiator is clean and full of coolent. I have replaced the thermoswitch, and it is stll overheating. Has anyone replaced a thermostat, and how difficult was that? That is the only other thing I can think of. I feel like if it was the water pump it would overheat faster than it does. I seem to get about 30-45 minutes or riding before the temp gauge go into the red. When it happened this time I took the temp of the radiator with a temp gun and it was at about 220 F. Any other suggestions of other possibilities?

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Offline NMKawierider

Re: New owner - overheating question
« Reply #12 on: April 23, 2017, 07:42:48 PM »
I would pull the thermostat. I'll bet it's bad or just stuck. On the 800s it up by the head on a housing that...looks like a thermostat housing..lol
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline Cosmosdan

Re: New owner - overheating question
« Reply #13 on: April 23, 2017, 08:17:12 PM »
Your fan is coming on? I pull the rad cap off and look down in there to see if the pump is working. Should see it moving when you rev the engine.
2013 Z6 Trail
Iron Baltic skid plates
UE Boom Speaker mount
RZR 800 Shocks
Mostly stock trail riding
25g. Rollers and A1

2016 Outlander max 570
Too new for mods yet

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Offline troyg3

Re: New owner - overheating question
« Reply #14 on: April 24, 2017, 08:21:09 AM »
Your fan is coming on? I pull the rad cap off and look down in there to see if the pump is working. Should see it moving when you rev the engine.

Yes, the fan is coming on when it should. I will check out the rad to see if I notice the water pump working.