Toyota Trucks: 1990 4-Runner 3VZ-4 Rebuild
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1990 4-Runner 3VZ-4 Rebuild
Hello, i'm trying to decide about rebuilding my 4-Runner engine (190,000
miles) or buying a rebuilt engine from a dealer, any suggestions? It lost
compression and won't start and i've already pulled it from the truck. If
anyone has experience with purchasing a rebuild where did you get it and if
anyone completed a rebuild where did you get the rebuild kit (OEM or
aftermarket)? Thanks
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Re: 1990 4-Runner 3VZ-4 Rebuild
glacb wrote:
Well, its a burnt valve. Do a valve grind. I bet the rest is fine.
USually a result of not checking valve clearance.
--
Inasmuch as the Democrats are complaining on how long the war is taking,
consider this:
It took less time to take Iraq than it took Janet Reno to take the
Branch Davidian compound. That was a 51-day operation.
It took less time to find Saddam's sons in Iraq than it took Hillary
Clinton to find the Rose Law Firm billing records.
It took less time for the 3rd Infantry Division and the Marines to
destroy the Medina Republican Guard than it took Teddy Kennedy to call
the police after his Oldsmobile sunk at Chappaquiddick.
It took less time to take Iraq than it took to count the votes in
Florida! TWICE!!!!!
Damn our military is GREAT!!
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Re: 1990 4-Runner 3VZ-4 Rebuild
"MDT Tech®" <com> wrote in message
news:2GEIb.14177$news.pas.earthlink.net...
lost
If
if
Hi.
I have a 89 4x4 sr5 pickup, 6 cyl, and 235k miles.
Should I be checking the valve clearances?
She runs great with no oil loss.
Thanks and happy new year
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Re: 1990 4-Runner 3VZ-4 Rebuild
JoAnne wrote:
Yes, measure them cold. You will need shims to set the clearance. It
will run fine till it quits! ;-D Tigh valves is what burns them. And if
you have normal wear, teh valves will usually becoem tigher with time.
We get probably about 10 of these a year, burnt valves from too little
clearance.
--
Inasmuch as the Democrats are complaining on how long the war is taking,
consider this:
It took less time to take Iraq than it took Janet Reno to take the
Branch Davidian compound. That was a 51-day operation.
It took less time to find Saddam's sons in Iraq than it took Hillary
Clinton to find the Rose Law Firm billing records.
It took less time for the 3rd Infantry Division and the Marines to
destroy the Medina Republican Guard than it took Teddy Kennedy to call
the police after his Oldsmobile sunk at Chappaquiddick.
It took less time to take Iraq than it took to count the votes in
Florida! TWICE!!!!!
Damn our military is GREAT!!
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Re: 1990 4-Runner 3VZ-4 Rebuild
"MDT Tech®" <com> wrote in message
news:VYGIb.14372$news.pas.earthlink.net...
(190,000
and
Great another New Years resolution to the list!
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Re: 1990 4-Runner 3VZ-4 Rebuild
To actually answer your question, you can find a rebuild kit on E-Bay for
around $375.00.. I am an aircraft mechanic and unlike the other suggestions
if you have the time I would take the engine down as far as you are
comfortable with and take the block to a shop to be checked for cracks and
cleaned. If you are going to spend the time to do the job, might as well do
it right.. You can pick up the Engine book for your truck at your Toyota
dealer, VOL. 1 for around $55.00..
Good Luck
Tony
"glacb" <com> wrote in message
news:qdDIb.2515$..
if
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Re: 1990 4-Runner 3VZ-4 Rebuild
Does anybody really bring their vehicle in for just a valve clearance check?
The last (and only) time I had my valve covers off at around 125k to replace
leaking gaskets it was a major job, at least for me (V6). Last time I checked a
longblock cost more than the truck was worth so it might not be a bad idea to
check the valves if your going in there for something else.
Gary W.
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Re: 1990 4-Runner 3VZ-4 Rebuild
Thanks.
Would you use OEM replacement parts if it requires pistons and rings? What
all would you replace - water pump, timing belt, fuel injectors, hoses,
etc.?
Gregg
"1992 Toyota Xcab" <!com> wrote in message
news:supernews.com...
suggestions
do
lost
If
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Re: 1990 4-Runner 3VZ-4 Rebuild
Contrary to what some other people on this site may think, I have notice
that OEM parts and aftermarket parts are about the same. Sine you have an
old vehicle it really does not matter for warranty. I would use whatever
you feel comfortable with or what your pocket book can afford.
Tony
"glacb" <com> wrote in message
news:vYXIb.2567$..
for
and
well
(190,000
and
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Re: 1990 4-Runner 3VZ-4 Rebuild
"1992 Toyota Xcab" <!com> wrote in message
news:supernews.com...
That has not been my experience with Toyota parts. Case in point is the
ignition wires. Genuine Toyota wires are cut to length, numbered, have heat
protective wrapping in the correct places, and include the plastic spacers
(already attached) as well as the connectors to secure the 1-3-5 wires to
the timing cover. Installing them is just a matter of dropping them onto
the engine and plugging everything up. Aftermarket, on the other hand, is
probably just going to be a box of wires that may or may not be the correct
lengths.
So, in this case (and others), there is a significant difference between
genuine Toyota and aftermarket parts.
I have bought a lot of Toyota parts over the years and my experience has
been that the genuine Toyota stuff is, on the average, going to be
consistently of a higher quality than other suppliers and may at times
include extra goodies as was the case with the ignition wires. Of course,
these parts are also going to cost twice as much. Is it worth the extra
expense? Sometimes . . . but usually not. FWIW If money is no object,
always go with genuine Toyota. Otherwise, shop around where possible.
Luther
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