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mtgoat666
Select Nomad
Posts: 19619
Registered: 9-16-2006
Location: San Diego
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Mood: Hot n spicy
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Quote: Originally posted by 4x4abc  | another one of those posts where many members dig up collective knowledge to help - but the OP disappears into thin air after the first post
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It is likely he did not get what he wanted but he already found what he needed, and got satisfaction, eh? 
Woke!
Hands off!
“Por el bien de todos, primero los pobres.”
“...ask not what your country can do for you – ask what you can do for your country.” “My fellow citizens of the world: ask not what America
will do for you, but what together we can do for the freedom of man.”
Pronoun: the royal we
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gnukid
Ultra Nomad
Posts: 4411
Registered: 7-2-2006
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What are symptoms one can use to determine if the timing chain needs to be replaced if the vehicle has more than 100k miles?
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BornFisher
Super Nomad
Posts: 2116
Registered: 1-11-2005
Location: K-38 Santa Martha/Encinitas
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Sounds reasonable. Then most likely he decided to just let it bleed!
"When you catch a fish, you open the door of happiness."
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AKgringo
Elite Nomad
Posts: 6166
Registered: 9-20-2014
Location: Anchorage, AK (no mas!)
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| Quote: Originally posted by gnukid | | What are symptoms one can use to determine if the timing chain needs to be replaced if the vehicle has more than 100k miles? |
There may be no symptoms prior to failure, but there may be an unusual noise, or possible water pump leakage. If you do not have reliable service
records on a 100k vehicle, you must remove enough parts to do a visual inspection.
I recently bought an Isuzu Trooper with only 106k, and the belt appeared to be in good condition, but I went ahead and changed out the belt, water
pump, and tensioner anyway. Better to do it at home, rather go through what the OP may or may not be dealing with right now!
[Edited on 2-4-2020 by AKgringo]
If you are not living on the edge, you are taking up too much space!
"Could do better if he tried!" Report card comments from most of my grade school teachers. Sadly, still true!
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Hook
Elite Nomad
Posts: 9011
Registered: 3-13-2004
Location: Sonora
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Mood: Inquisitive
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| Quote: Originally posted by gnukid | What are symptoms one can use to determine if the timing chain needs to be replaced if the vehicle has more than 100k miles?
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I'm not sure you would notice anything, as they approach failure. That's why car manufacturers just put it in the regularly scheduled maintenance
category. Much like the timing belt that has replaced it on so many cars.
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bajatrailrider
Super Nomad
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Location: Mexico
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If the gear on crankshaft is fiber 80,000 to hundred thousand . miles. They can go a lot longer on some models. If it has a steel gear on bottom they
go more time. Many cars have rubber timing belt. They can snap 80,000 miles to 150,000 on those . You also change tensioners and guilds.
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caj13
Super Nomad
Posts: 1002
Registered: 8-1-2017
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| Quote: Originally posted by gnukid | What are symptoms one can use to determine if the timing chain needs to be replaced if the vehicle has more than 100k miles?
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first, check to see if your engine does use a timing belt - or is it using a timing chain. chain, I really dont worry about it, but if its a
belt
manufacture recommends an interval. may be as little as 60K miles, or up to 100K. i stretch their recomendation 10 - 20% and then have it changed,
and while they are in there, do the water pump as well, should be no extra labor, just cost for the pump.
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mojo_norte
Senior Nomad
Posts: 725
Registered: 2-14-2006
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Some vehicles have timing chains. Some have timing belts. Timing belts wear out and break and should be replaced at intervals - usually 60-80K. Chains
rarely break but wear with age and start to make noise and can wear a hole in the timing cover .
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gnukid
Ultra Nomad
Posts: 4411
Registered: 7-2-2006
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Ye just changed the timing chain, gear, water pump and oil pump on my 55 year old slant six daily driver in Baja, it was worn and seems happier now.
I would like to change it on my 351w with 135k mikes but there is no sign of an issue, yet? Argh!
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bajatrailrider
Super Nomad
Posts: 2473
Registered: 1-24-2015
Location: Mexico
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Slant 6 Dodge engine bullet proof one of best ever made. Now just throwaway cars.
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David K
Honored Nomad
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Mood: Have Baja Fever
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My 2001 Tacoma with a 3.4 liter V-6 had a timing belt, the recommended replacement interval was 90,000 miles. I had it done then, and replaced the
water pump at the same time since it was all exposed and easy to do, plus there was a drip (so they told me, but I never had seen water leak).
My 2005 & 2010 Tacomas with a 4.0 liter V-6 have a timing chain, nothing bad has happened (yet)!
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Don Pisto
Banned
Posts: 1282
Registered: 8-1-2018
Location: El Pescador
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Mood: weary like everyone else
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timing GEAR.....love the sound!
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mojo_norte
Senior Nomad
Posts: 725
Registered: 2-14-2006
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| Quote: Originally posted by David K | My 2001 Tacoma with a 3.4 liter V-6 had a timing belt, the recommended replacement interval was 90,000 miles. I had it done then, and replaced the
water pump at the same time since it was all exposed and easy to do, plus there was a drip (so they told me, but I never had seen water leak).
My 2005 & 2010 Tacomas with a 4.0 liter V-6 have a timing chain, nothing bad has happened (yet)! |
Yes, Toyota has gone back to chains at least on their truck engines. I was quite surprised that my 2018 Subaru Crosstrek also has a chain w/ no
scheduled maintenance
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del mar
Banned
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Registered: 7-23-2016
Location: the cantina of course
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Mood: lil' fuzzy
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 love the whine but difficult to do on the OHC!
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