Oil Cooler Block-off leaking again
05-14-2018, 08:14 PM
#1
Oil Cooler Block-off leaking again Hello, I replaced the gasket on my oil cooler block-off with the standard Felpro gasket and it leaked more than the one i took off. Then i bought one of those ICT billet block-offs with the O-ring seal and 1/8 NPT port and it started leaking after a few startups in the garage. If anybody have any experience with this can you please share how you stopped this annoying oil leak. I'm using a F Body oil pan on a iron LQ9.
05-14-2018, 09:16 PM
#2
ModSquad
iTrader: (6)
I’ve seen these leak, mostly from over tightening the bolts. It warps the block off plate, which is flimsy to start with. Even the aftermarket plates are flimsy, and leak. I have a glass surface plate, that’s flat. I lay a 800 grit sandpaper sheet on it, with cutting fluid on it, and with mounting surface downward, gently move the plate in a figure 8 pattern, for 20 seconds or so. Light pressure. Do not push down hard. New gasket install, and snug the bolts, plus 1/4 turn. Start the engine and watch for leakage. If it still leaks, snug each bolt until leak stops. Done.
05-17-2018, 03:31 PM
#7
ModSquad
iTrader: (6)
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05-26-2018, 10:47 AM
#9
TECH Senior Member
Seems like a pattern with ICT stuff. More about looks than correct function.