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My main top water hose burst. I replaced it. Car ran hot. Replaced the thermastat, coolant sensor, and 12 volt relay fuses for primary and secondary fans. Still ran hot. Fans not coming on. I tested fans in service mode by paper clip to F and G in the diagnostic scan box. Fans came on, so no blowed motors. Got desperate, so ran a toggle switch to primary fan, so fan would run while I drive. Still, when the car gets hot, after about 5 miles of regular driving, the car huckabucks, and cuts off at slow downs and stops. Really bad in the middle of light intersections. Can anyone help?
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[quote=”Melvina Julian” post=89530]My main top water hose burst. I replaced it. Car ran hot. Replaced the thermastat, coolant sensor, and 12 volt relay fuses for primary and secondary fans. Still ran hot. Fans not coming on. I tested fans in service mode by paper clip to F and G in the diagnostic scan box. Fans came on, so no blowed motors. Got desperate, so ran a toggle switch to primary fan, so fan would run while I drive. Still, when the car gets hot, after about 5 miles of regular driving, the car huckabucks, and cuts off at slow downs and stops. Really bad in the middle of light intersections. Can anyone help?[/quote]
When you changed your hose and refilled the coolant are you sure you got all the air out of the system?
a vapor locked radiator can produce the symptoms your having.[quote=”Melvina Julian” post=89534]Thanks, I will look into that.[/quote]
Here is a link to help.
http://www.ericthecarguy.com/faq/what-to-do-when-your-engine-overheats
Air in the cooling system is the first thing that comes to mind. It’s the most common cause of an overheat after work like that. Try bleeding the system and then see if you still have the problem. A video on how to do that along with other tests are in the article College man posted.
Good luck and keep us posted.
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