When on throttle only I hear flip flip flip flip flip - JeepForum.com
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Unread 07-19-2009, 11:58 PM   #1
chitownzj
Registered User
1997 ZJ 
 
Join Date: Jul 2009
Location: chicago
Posts: 2
When on throttle only I hear flip flip flip flip flip

I have a 1997 jeep grand cherokee laredo 4x4 with the 4.0 when I am on the throttle only it makes a flip flip flip coming from front under car. The sound gets alittle louder as I drive faster.

Any tips or things to check would be great

thanks in advance

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Unread 07-20-2009, 06:22 AM   #2
Tweaks
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1997 ZJ 
 
Join Date: Jun 2009
Location: Cape Cod
Posts: 132
Start looking for an exhaust leak or a head gasket leak.
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Unread 07-20-2009, 06:33 AM   #3
gbauer
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1999 WJ 
 
Join Date: Jul 2009
Location: Frederick
Posts: 348
Mine did that before doing this:




But, it did it all the time when moving.
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Unread 07-20-2009, 06:44 AM   #4
TJsZJ
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1995 ZJ 
 
Join Date: Jun 2009
Location: Omaha,NE
Posts: 47
Quote:
Originally Posted by Tweaks View Post
Start looking for an exhaust leak or a head gasket leak.
+1

Sounds like an exhaust leak too me.
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Unread 07-20-2009, 01:20 PM   #5
chitownzj
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1997 ZJ 
 
Join Date: Jul 2009
Location: chicago
Posts: 2
Oh man lol I should say it sounds alot like a drivetrain noise not like an exhaust leak because I could almost feel it in the peddle alittle but when I let off throttle it does go away.

If jeep is not in gear and I free rev I don't hear the noise I know its not under load but just letting you know fyi
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