Does it still puff white smoke or is everything fine now?
My 606 will put out the slightest wisp bone cold which is pretty normal.

The 603 on the other hand....I'm considering taking the head to metric motors in California......that thing is a smoker with 2 weak cylinders.

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.