macattack Posted November 29, 2009 Share Posted November 29, 2009 can any one tell me what the bent tube in the front of an e7 300 engine is? its about an inch or so in dia and loops beneath the front pulleys and goes towards the pass side frame rail.thanks Quote Link to comment https://www.bigmacktrucks.com/topic/11575-e7-300-question/ Share on other sites More sharing options...
Maxville Truck Posted November 29, 2009 Share Posted November 29, 2009 can any one tell me what the bent tube in the front of an e7 300 engine is? its about an inch or so in dia and loops beneath the front pulleys and goes towards the pass side frame rail.thanksCrankcase breather coming off front of injection pump gear access cover. This is where you willl see your blowby if you have any. An e-7 in a conventional truck will have the breather tube coming off of the valve covers. Quote Link to comment https://www.bigmacktrucks.com/topic/11575-e7-300-question/#findComment-44063 Share on other sites More sharing options...
macattack Posted December 14, 2009 Author Share Posted December 14, 2009 Crankcase breather coming off front of injection pump gear access cover. This is where you willl see your blowby if you have any. An e-7 in a conventional truck will have the breather tube coming off of the valve covers.thanks. so i dont have to worry about any fluids or liquid in the line if i replace it. Quote Link to comment https://www.bigmacktrucks.com/topic/11575-e7-300-question/#findComment-45195 Share on other sites More sharing options...
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