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John Deere Tractors Discussion Forum
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'49A with slight amount of coolant in combustion c

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Dave in SV

09-23-2006 19:42:25




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First start of the day (after many days of no running at all), she belches a quick white puff out the exhaust... and I smell that "sweet" antifreeze smell (my son thought he smelled pancake syrup!). Seems to be getting more obvious, unless it's just me being more focused on it. No noticeable drop in coolant level, so whatever amount it is, it can't be much. Any thoughts on how to troubleshoot? Should I pop the rocker cover off and check head bolt torques first? Or am I dreaming to think it's possibly THAT easy?!?!?!

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Mike M

09-24-2006 05:19:02




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 Re: '49A with slight amount of coolant in combusti in reply to Dave in SV, 09-23-2006 19:42:25  
Any ignition miss fire that clears up ? The ones I had leak would miss then clear up.

If you are running stabil in your gas it can make them smell like that too.

Warm it up, retorque the head then a good dose of bars leak and go work it. Can't hurt !



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F-I-T

09-23-2006 21:30:31




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 Re: '49A with slight amount of coolant in combusti in reply to Dave in SV, 09-23-2006 19:42:25  
It could be that easy. Next, after a warm up, hook some 100 psi or so compressed air via a sparkplug fitting (brakes locked, clutch engaged, sixth gear) and see if it pushes any bubbles in the coolant as viewed in the top of the radiator. First one side and then the other. Generally it is pretty revealing.

If it still has petcocks in the bottom of the block, open them over night and see if it dribbles any coolant out of either cylinder.

Frank

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