I think that it is odd that only in the last 2 to 2.5 Years on the Forum have People cracked the Valve Guide when bracing the Hex.

Back in Sep 2007 up until 2 to 2.5 Years People were recommending not bothering with the 3rd Wrench if you did not have one.

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84 300D, 82 Volvo 244Gl Diesel