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Block coolant drain plug: Posted by vsfoxe [Email] ![]() ![]() In Reply to: Re: Need to drain block before removing head?, Roger D ![]() |
Block coolant drain plug:
Take your Bentley Manual and go to Page 261-5, Fig. 7. The coolant drain plug is Item #2. When you're looking over the Passenger-Side Fender, it is low on the block, below the exhaust manifold, nearest the firewall. The plug needs a 19 millimeter wrench (on my '90 SPG), and is a little lower than the big plug. Also ¾” will work. It's on that cone-shaped thing-a-ma-jig. A little difficult, but not too bad. I've read that crap can completely plug the hole, requiring that you use something to dislodge the crap. When you remove the plug, the coolant WILL drain. There is NO FREEZE PLUG or any blockage other than crap. Use a pan like Roger D's. You probably don't need this, but just in case. Vern
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