Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

fuel leak in 6.5

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Old 07-26-2010, 09:06 AM
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Default fuel leak in 6.5

changed fuel filter, now i have a drip under the passenger side below the starter. i only see it after stopping and parking the truck. Cant find the source of the drip. the filter canister feels dry. any thoughts??
 
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Old 07-26-2010, 09:29 AM
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fuel return line slipped off?
 
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Old 07-26-2010, 02:05 PM
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maybe, i haven't checked very deep yet . just thought someone had an idea before i dig in. thanks
 
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Old 07-26-2010, 02:12 PM
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have you replaced your injectors lately?
 
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Old 07-27-2010, 07:31 AM
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No, I bought the truck new in 95. 200000 miles , same injectors
 
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Old 07-27-2010, 05:03 PM
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well some chinese injectors leak but at 200000 miles there probably do to be changed soon. any more clues on the leak.
 
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Old 07-28-2010, 06:25 AM
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going to look at it after i get off from work this afternoon. maybe something obvious.
thanks
 
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Old 07-28-2010, 06:57 AM
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Seem like the rubber lines that run to the filter base crack and wear out. if u moved the filter base at all even tho its bolted to the intake they break. return lines off the injectors are a joke and seem to leak alot to.
 
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Old 07-28-2010, 08:08 AM
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If you get a fuel leak anywhere in the valley of the engine it runs down a small hole and down the back by the bellhousing. Check to make sure the filter is properly seated in the canaster, if you moved any fuel lines they are bound to be cracked if original. Take out the two bolts holding the canaster in so you can move it around and check for leaks. Really need to get new injectors, at that mileage you will notice a power increase with new ones. Dont buy ebay cheapos tho, you get what you pay for in injectors.
 
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Old 07-28-2010, 08:24 AM
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thanks
 


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