Got the patient hooked up to an IV; about to operate on the poor sod

". ." (xllx) 07/17/2019 at 12:53 • Filed to: properly fixed

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For Sweden > . . 07/17/2019 at 12:59

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I don’t know what this is, and I am scared to ask.

E90M3 > For Sweden 07/17/2019 at 13:02

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When your fuel put goes kaput, you use gravity. 

HoustonRunner > For Sweden 07/17/2019 at 13:07

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Neither do I, but now I have to know!

Chan - Mid-engine with cabin fever > E90M3 07/17/2019 at 13:12

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What’s the benefit of doing this instead of rebuilding/replacing the fuel pump?

nerd_racing > . . 07/17/2019 at 13:18

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Leak down test?

Aremmes > Chan - Mid-engine with cabin fever 07/17/2019 at 13:20

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You can’t get Borsuq to post pictures of your wrenchings on Oppo if you follow the service manual’s instructions.

E90M3 > Chan - Mid-engine with cabin fever 07/17/2019 at 13:20

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We don’t have the wisdom to ques tion Borsuq’s ways.

In all seriousness, he posts the really shittly fixed cars all the time. There is no advantage to that over a fuel pump as you’d get around 1 PSI of head pressure if that hose was ~3 ft long. 

AMGtech - now with more recalls! > . . 07/17/2019 at 13:50

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We have a test for diesel injectors that looks very much like this. It checks injector leakage. Here’s a decent video of it, although not on a Mercedes (jump to about 9:30 to see it in action):

way2blu does a rev update > . . 07/17/2019 at 14:10

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This is the method I’ll be using to equalize coolant levels on my flush/refill for my MR2 tonight, no joke 

Manwich - now Keto-Friendly > Chan - Mid-engine with cabin fever 07/17/2019 at 14:34

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The benefit is there is a much bigger chance of it catching on fire!

Urambo Tauro > Chan - Mid-engine with cabin fever 07/17/2019 at 20:37

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I think this thing is for leak testing, like AMGtech already guessed. But to answer your question, there are temporary fuel supply kits that shops use to drive the vehicle into the service bay to be worked on. They’re pressurized though, so you don’t need to depend on gravity. As a bonus, the kit can also be used for performing an injector cleaning service.