# Rain Rain Go Away

**URL:** <https://community.cartalk.com/t/rain-rain-go-away/19326>\
**Category:** Maintenance/Repairs\
**Created:** [September 9, 2008, 2:58am UTC](https://community.cartalk.com/t/rain-rain-go-away/19326 "2008-09-09T02:58:42Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![gaston1006](https://avatars.discourse-cdn.com/v4/letter/g/b5ac83/32.png) [@gaston1006](https://community.cartalk.com/u/gaston1006)\
**Post date:** [September 9, 2008, 2:58am UTC](https://community.cartalk.com/t/rain-rain-go-away/19326/1 "2008-09-09T02:58:42Z")

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why my car dont start when its rain

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**Author:** ![hellokit](https://avatars.discourse-cdn.com/v4/letter/h/6a8cbe/32.png) [@hellokit](https://community.cartalk.com/u/hellokit)\
**Post date:** [September 9, 2008, 4:30am UTC](https://community.cartalk.com/t/rain-rain-go-away/19326/2 "2008-09-09T04:30:54Z")

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When the weather is dry, spray the spark plug wires and ignition module with silcone spray to waterproof them.

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**Author:** ![VDCdriver](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/vdcdriver/32/30_2.png) [@VDCdriver](https://community.cartalk.com/u/VDCdriver)\
**Post date:** [September 9, 2008, 9:49am UTC](https://community.cartalk.com/t/rain-rain-go-away/19326/3 "2008-09-09T09:49:59Z")

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Or, you might want to replace the spark plug wires if they are more than 6 or 7 years old. If that doesn’t help, then the next step is to replace the distributor cap–assuming that this mystery vehicle has a distributor.

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**Author:** ![MikeInNH](https://avatars.discourse-cdn.com/v4/letter/m/a587f6/32.png) [@MikeInNH](https://community.cartalk.com/u/MikeInNH)\
**Post date:** [September 9, 2008, 2:40pm UTC](https://community.cartalk.com/t/rain-rain-go-away/19326/4 "2008-09-09T14:40:11Z")

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I would NOT us silicone spray. It’s flammable. Not the best thing you want to be spraying around ignition components. My father-in-law believed in this method. The silicone caught fire inside the distributor cap and it melted the cap and damaged the distributor.

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**Author:** ![texases](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/texases/32/862_2.png) [@texases](https://community.cartalk.com/u/texases)\
**Post date:** [September 9, 2008, 2:51pm UTC](https://community.cartalk.com/t/rain-rain-go-away/19326/5 "2008-09-09T14:51:03Z")

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Agree w/VDC, except that if you’re going to the trouble of replacing wires, I’d do the cap at the same time. What make/model/year car/truck/?? is this?

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**Author:** ![hellokit](https://avatars.discourse-cdn.com/v4/letter/h/6a8cbe/32.png) [@hellokit](https://community.cartalk.com/u/hellokit)\
**Post date:** [September 9, 2008, 6:57pm UTC](https://community.cartalk.com/t/rain-rain-go-away/19326/6 "2008-09-09T18:57:24Z")

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Yes, let the spray flammable propellants dissipate before cranking the engine. The silicone grease which remains isn’t flammable. Or, you could use a jar of silicone grease.