FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
it preloads the upper driveshaft bearing under the water pump base and sets the pinion gear at the proper height ... (providing it was shimmed correctly during assembly)
