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Car Forum / Pontiac / Pontiac Fiero / December 2007Tick Tick Ticking
85 GT 68K miles a few months back it started making a ticking noise coming from the engine during acceleration but quiets down at level speed. During idle or revving the engine the noise is not there its only heard during load condition. Is this lifter noise and is it a potential problem? If its a lifter how do you determine which cylinder It coming from? I got the car last summer I have a 85 SE as well that I have been driving for years. link to my baby http://mysite.verizon.net/vzeecixb/new_85_fiero.htm Thanks Hank probably a cracked exhaust manifold, usually the front one > 85 GT 68K miles a few months back it started making a ticking noise > coming from the engine during acceleration but quiets down at level [quoted text clipped - 11 lines] > Thanks > Hank  SignatureRobert W. Hughes (Bob) BackYard Engineering 29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W Houston, Texas "The city with too much Oxygen" rwhughe@oplink.net There is an engine stethescope that you can buy to narrow down the location of the noise. Most auto parts stores have it, otherwise check your local Sears/K-Mart store probably a cracked exhaust manifold, usually the front one Hank wrote: > 85 GT 68K miles a few months back it started making a ticking noise > coming from the engine during acceleration but quiets down at level [quoted text clipped - 11 lines] > Thanks > Hank SignatureRobert W. Hughes (Bob) BackYard Engineering 29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W Houston, Texas "The city with too much Oxygen" rwhughe@oplink.net Hank <hank@guess.net> wrote in news:1i6cl39n0uscgpsjjr6d0vpuqn687lfpaa@ 4ax.com: > 85 GT 68K miles a few months back it started making a ticking noise > coming from the engine during acceleration but quiets down at level [quoted text clipped - 6 lines] > I got the car last summer I have a 85 SE as well that I have been > driving for years. Does it also seem to have a slight hesitation. My guess is that it is a bad plug wire or plug. Mine recently had a similar thing. I thought it was a lifter. One of the plug wires was corroded inside and under load the engine wasn't getting enough juice to fire the plug enough and caused a slight ticking sound load. SignatureCharles The significant problems we face cannot be solved at the same level of thinking we were at when we created them. Albert Einstein >Hank <hank@guess.net> wrote in news:1i6cl39n0uscgpsjjr6d0vpuqn687lfpaa@ >4ax.com: [quoted text clipped - 15 lines] >the engine wasn't getting enough juice to fire the plug enough and caused >a slight ticking sound load. No hesitation and wires and plugs are fine like I said it only makes the noise when accelerating it sounds fine during idle or just revving it or maintaining constant speed. Hank |
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