A Lot of Coolant in my oil, Now car wont start - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-10-2011, 02:18 PM   #11
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I used Dormin kit 615-180 around $110 , one tip.. after you drain oil,replace oil filter, drain coolent, install kit , pull the plugs along with the fuel pump fuse and injector fuse, then turn engine over a few times, this should blow out any oil/antifreeze mix in sparkplug holes or until nothing comes out. Replace plugs, new oil (5w-30 cheapest you can find), fill coolent,install fuses and fire it up. Check for leaks, if good , take a short drive, let engine cool down , drain about a quart of oil out ,add engine flush, heat up (run for 5-10min) depending on brand, then change oil and filter again....you will need a inch pound torque wrench for UIM bolts.....after 1000miles do another oil/filter change...then back to your routine for oil/filter changes......I have 253k on my 98 and my UIM went at 200k
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