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Old 05-22-2010, 02:07 PM   #1
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Default 1988 Bonneville camshaft position sensor location?

OK, I've got an old 1988 Bonneville SE. Engine light is on. Shows I need to replace the camshaft position sensor. OK, where is it? Anyone have an actual picture of where it is at? I know the crankshaft position sensor is behind the harmonic balancer. I replaced the balancer about 2 years ago or more. I've got the 3800(3.8L) V-6 engine code C engine. Has around 188,000 miles on the engine. Engine has never been opened up for repair. Thanks for any help, info or pics.
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Old 05-23-2010, 01:10 AM   #2
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The camshaft position sensor is located on the timing cover, under the water pump. If you are looking dead on at the water pump pulley, it will be at about 7-8 oclock position. The biggest offender is, not the sensor going bad, but actually the magnet that triggers the sensor, breaks off. This site actually goes over a possible fix in great detail and the pics will give you an idea where to look.:

http://bellsouthpwp.net/p/a/padgett46/cammag.htm
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Old 05-23-2010, 09:44 AM   #3
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Yep, that'* it. 1 bolt and it comes out. It'* hard to see, but like mentioned, check the magnet as well. If that'* the case, it'* a much more involved fix.
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Old 05-23-2010, 01:12 PM   #4
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Hey thanks everyone for the info. Just trying to keep the old Bonneville on the road and not in the junk yard. 1988 with 188,000 miles and still going. thanks again
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