While doing a timing belt replacement i wanted to replace the front seals for the cam and crank shafts. I read a forum that stated it being a bad idea to cut and pry theses seals out as ddescribed in the Hayne repair manual. Do i really need to remove the whole shaft to do this 'correctly'?
Haynes manuals get their information from factory service manuals, so I believe you could do as described in the Haynes book. Just be careful not to scratch up the seal surface on the shafts.
Testimonial: "Thank you for your input. Between conflicting information and having the first time fear, i literally held off for a few days waiting on research and info. I went ahead and did the crank seal, however i passed on the cams. After talking with numerous mechanics and feedback from some toyota old-schoolers, those seals rarely leak. Multiple respsones stated that leakage from valve covers, oil spillage and or leaking head gadkets are commonly the mis-diagnosis for the cam seals being faulty. Anyway, thank you for your time and input, it is much appreciated!"
SOURCE: Toyota Highlander 2005
The timing belt runs from the crankshaft pulley up to the head, around the cam gears, back down, over the water pump and back to the crankshaft. Timing belt replacement is a job that is time consuming, and, at times, difficult. If you do not have the proceedure, I can send it to you, but, this is a very specific job, and having the belt incorrect in any one of 6 possible "mistake" positions will result in a no-start or run poor condition. Timing belt replacement for that vehicle is recommended at 90,000 miles.
SOURCE: bad oil leak front main seal in 1986 toyota 4 runner
You need to walk the pulley off.You will need three long bolts that match the thread in the balancer.Undo the centre bolt about half way and bolt the puller to the pulley.the centr bolt is used so the puller has something to push on in the centre Once you have wound the puller up and pulls the balancer until its stopped by the centre bolt.Undo the puller so you can unwind the centre bolt some more and repeat until the balancer falls off.Every thing must be evenly bolted,puller must be mounted squarely or you will have real trouble removing it.Unless the seal can be removed and replaced from the outside of the timing cover you should not need to replace anything else.Did you check the oil pressure switch as the amount of oil your talking about doesnt usualy leak that badly from a balancer seal
SOURCE: engine idles rough, misses at 2500-3000 rpm's
i would first check the timing and if that does not fit i would take the cover back off and look at the belt for a bad or missing tooth
SOURCE: replacement of timing chain toyota 5k engine
Theres (if mounted correct!) two MARKS on the sprockets~these fit with the bright links on the chain~just in case anybody else needs it...
Love from Capt. Whodooooooooooo.
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