found in certain vehicles such as bmw 39 s the method comprises the steps of removing the intake manifold and valley pan from the engine block 70 and severing an internally disposed coolant pipe an end of the pipe extends through a front coolant opening 10 having a circular groove with an existing annular seal positioned therein using a tool the existing seal is removed and the groove is thoroughly cleaned with a pneumatic drill and wire brush residual coolant is removed with a wet vacuum and a new seal is lubricated and positioned within the groove the apparatus for use with the method according to the present invention includes an expandable sleeve 1 formed of a metallic sheet 2 having two opposing free edges 3 the sheet is formed into a ring with the free edges overlapping slightly allowing the circumference of the sleeve to be varied the apparatus according to the present invention also includes an extendable pipe 12 having a first end 30 a second end 31 and a first externally threaded section 40 received within a second hollow section 42 a primary locking collar 13 and an anchoring collar 14 mounted on the threaded section are tightened against the hollow section to extend the length of pipe as desired at the first end of the pipe is a larger diameter portion 65 and a smaller diameter portion 60 that form an engagement shoulder 61 therebetween the smaller diameter portion is dimensioned to tightly fit within the sleeve 1 while the shoulder engages the sleeve periphery to thrust the seal into the designated groove formed within the front opening 10 at the second end of the pipe is an o ring 43 and a gasket 44 having an outer surface that substantially conforms to.