pcakes55 Posted July 21, 2010 Share Posted July 21, 2010 Alright..so I'm down to the final stages of my engine build. I went to put the water pump on and everything was fine until the final bolt that holds the water pump to the timing chain cover. The bolt is the uppper-most, left bolt. I seem to be missing this bolt, and neither the bolts with the 12mm head nor the 10mm head will thread into the hole. I'm not sure if someone before me has re-tapped this hole with a slight oversize, or if this is supposed to be. If it is supposed to be this way, does anyone know the thread size? (of course if it has been retapped, I'll have to buy a number of different size bolts and try them out ) Quote Link to comment Share on other sites More sharing options...
junglist Posted July 21, 2010 Share Posted July 21, 2010 It should be a M6 I believe. I can check & measure tomorrow. Quote Link to comment Share on other sites More sharing options...
pcakes55 Posted July 22, 2010 Author Share Posted July 22, 2010 No need to check size, realized someone heli-coiled it to repair it. Only thing is, the new water pump's hole where the bolt goes was for the smaller size bolt. Cleaned up the coil with a tap, opened up the hole on the pump with drill press. Good to go. Quote Link to comment Share on other sites More sharing options...
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