Re: Valve Spring Replacment - 97 Wrangler
I would be looking very closely at the exhaust header for a crack. They
do crack and make a lifter ticking noise at first. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Mick Miller wrote: > > i am no getting a missfire. > > no smoke no loss of power...other than a bit of throttle crispness > > ........just this tappet like noise when reved ...... > > >The only way valve springs can make noise is if they're broken. If that's the > >case, noise will be the least of your worries. > > > >More likely lifters are the cause. I think I'd try an additive like "Lifter > >Free" before replacing them. Might save a few bucks if it works. > > > >The valve spring replacement that others have referenced here was only a part of > >the fix for misfire problems. The actual problem was carbon buildup on the > >exhaust valves causing them to be "slow to close", thus causing a misfire. > >Stronger valve springs were to help overcome this problem. > > > > > > > >In message <1hjm311gbbkbn8fc6c5obge4fna42m4bfu@4ax.com>, "Mick Miller" wrote: > > > >> > >>I have a wrangler 4ltr with very noise valve springs (think this was a > >>known problem) > >> > >>how easy are they to replace and does the head need to come off? > >> |
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