bradleyheathhays Posted September 29, 2019 Share Posted September 29, 2019 This may sound like a stupid question, as I'm prone to ask sometimes. But...I drive a '96 Cherokee with the inline 4.0 non-interference engine and it doesn't like driving in the heat so much. Since I'm a car down right now I'm driving it a LOT more than I used to. After a lot of driving in this hot weather it starts slower, but still starts and runs ok. So to help it out I've been raising the hood and putting 2 box fans right on top of the engine to help it cool. I hadn't thought about it but my Mom asked if cooling it down too quickly could be bad for the engine. And since I don't know I thought I'd ask here. Any harm in using my method to cool an engine down much more quickly than normal? Quote Link to comment Share on other sites More sharing options...
akirby Posted September 29, 2019 Share Posted September 29, 2019 No harm but it’s not going to really help either. Just make sure your coolant is of the proper mix and at the proper level, make sure the hoses are good (if more than 100k miles I’d consider replacing them). And make sure the cooling fans are operating properly. The slow start is probably a weak battery. Quote Link to comment Share on other sites More sharing options...
bbf2530 Posted September 29, 2019 Share Posted September 29, 2019 27 minutes ago, bradleyheathhays said: This may sound like a stupid question, as I'm prone to ask sometimes. But...I drive a '96 Cherokee with the inline 4.0 non-interference engine and it doesn't like driving in the heat so much. Since I'm a car down right now I'm driving it a LOT more than I used to. After a lot of driving in this hot weather it starts slower, but still starts and runs ok. So to help it out I've been raising the hood and putting 2 box fans right on top of the engine to help it cool. I hadn't thought about it but my Mom asked if cooling it down too quickly could be bad for the engine. And since I don't know I thought I'd ask here. Any harm in using my method to cool an engine down much more quickly than normal? Hi bradley. No harm in using fans and ambient air to cool down an engine. You also are not accomplishing much, but it won't hurt anything. Just don't pack it in ice or spray it down with a hose. ? Good luck. Quote Link to comment Share on other sites More sharing options...
bradleyheathhays Posted September 30, 2019 Author Share Posted September 30, 2019 Thanks yall. thought I was good. Quote Link to comment Share on other sites More sharing options...
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