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1.
| caution |
Always check the fuel leak of
fuel tank with the vehicle loaded. If it is
checked with the fuel tank removed, the fuel
tank may be damaged.
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Remove the fuel tank cap, install special tool fuel
leak check cap (MB992145).
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2.Install the hose and
pressure gauge to the special tool (MB992145) as
shown.
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3.Block the canister vapour
hose (fuel tank side) <6G7 (vehicles with
canister)>.
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4.Remove the fuel filler
neck protector (Refer to  ), and block
the fuel tank vapour hose (fuel tank side) <6G7
(vehicles without canister), 4M4>.
5.
| caution |
- Do not pressurize suddenly.
- Do not pressurize 11.76 kPa or more to
prevent the damage of
components.
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Pressurize while checking the pressure gauge and
hold if it reaches from 9.80 to 11.76 kPa.
6.Leave
it for approximately 3 minutes and check that the pressure
is not weakened.
7.If the pressure is weakened,
apply soapy water to each part with pressurized state and
check the leak while confirming if air bubbles are
seen.
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