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willysmjeeps.com :: View topic - Coolant in intake
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Coolant in intake

 
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DJ
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Joined: Apr 15, 2005
Posts: 289
Location: Wis.

PostPosted: Sat May 27, 2023 1:15 pm    Post subject: Coolant in intake Reply with quote

Removed carb to be greeted with a puddle of coolant in intake.Ran fine 4 plus years ago sat in garage, ran extremely rough today. Thought carb was the problem.Was going to try carb off smooth running engine in other jeep, only to see coolant in intake. Suggestions as where to start trouble shooting?

M38 original 4 cylinder flatheads
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wesk
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Joined: Apr 04, 2005
Posts: 16286
Location: Wisconsin

PostPosted: Sat May 27, 2023 1:18 pm    Post subject: Reply with quote

Start with a crack inspection of the of the block near the intake runners.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

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DJ
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PostPosted: Sat May 27, 2023 1:30 pm    Post subject: Reply with quote

Thanks Wes,
Upon further inspection number 3 cylinder spark plug is wet with coolant and drops on valve.
Don't see any cracks .
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wesk
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PostPosted: Sat May 27, 2023 2:59 pm    Post subject: Reply with quote

You'll need the head off to accurately inspect for cracks.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

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DJ
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PostPosted: Sat May 27, 2023 3:09 pm    Post subject: Reply with quote

Ok ,got got it ,time to get busy.

Thanks Wes
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