Question about 2006 Ford F-250 Super Duty

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I have a f250 6.0 liter diesel 2005 and seem to have a vacuum leak,when I apply the brakes the peddle goes all the way to the floor.The heater doesn;t work and I was told it does that if you have a vacuum leak and no peddle.thx Rock Houde

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It sounds to me like you have air in your brake lines. I believe you either need to bleed your brakes or possibly can have a master cylinder going bad. As for the heater, I've never known of the brakes having any effect on the functionality of the heat. But maybe the person who told you this
(hopefully a certified mechanic...preferably a certified diesel mechanic)
knows something I dont that connects the two problems together. Generally I believe, if you have a vacuum leak you suffer poor engine performance, random or consistent loss of power, or even a bad case of the engine hiccups! This has been my experience in the past with a vacuum leak. As long as the fan is kicking on when you turn the heater switch to the highest position, then it's likely a thermostat that needs to be replaced. Or if water begins to appear in your floorboard the heater core is shot. I hope I was able to help you solve your problems and I hope you find some assistance from an experienced diesel friend :)

Posted on Mar 28, 2011

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