Before you pull the intake pull the rear cowl piece and check the heater coolant hoses. I had a slight leak there that showed up at he rear of the engine. Really showed up when one hose blew during a high speed run. Fortunately no over heating problems, shout down within 5 sec.

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2003 X5 4.6is Estoril Blue
2005 Infiniti G35X
1972 Datsun 240Z
1991 Isuzu Impulse XS Sold
1972 Fiat 850 Spyder Donated
1972 Datsun 240Z Sold
1972 Datsun 510 Sold