Oil pressure sender issue - Pontiac GTO Forum
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post #1 of 4 (permalink) Old 10-17-2010, 09:33 PM Thread Starter
 
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Oil pressure sender issue

I have a 1966 GTO. The pressure sender is connected to the oil filter housing with a 45 degree brass fitting. The engine has about 100 miles on overhaul. When I accelerate rapidly (less than 4K rpm) the brass fitting keeps breaking and lets oil blow out of the oil filter housing. I thought the brassd fitting might be too tight but the last replacement, I only tightened to little more than hand tight and still it blew/broke. The oil pressure seems to be unusually high, > 60psi. Could that be causing the problem or something else. Thanks. hdeanl
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post #2 of 4 (permalink) Old 10-18-2010, 08:43 AM
 
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Sounds like a motor moving, sender hitting something, problem.....60psi is like nothing for a GOOD brass fitting!



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post #3 of 4 (permalink) Old 10-18-2010, 09:12 AM
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I agree. It would take thousands of psi pressure to break a brass fitting itself. Check for broken motor mounts, etc. Have someone rev the engine while you look at the fitting to see what's going on.
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post #4 of 4 (permalink) Old 10-18-2010, 10:36 AM
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Can you remove the fitting and screw the sending unit dirrectly into the filter adapter?
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