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#968629 - 08/18/07 07:01 PM 1997 4Runner V-6: Timing Chain Replacement?
Islandvic Offline


Registered: 02/01/05
Posts: 1272
Loc: South Texas
Do 1997 4Runner V-6's have Timing Chains that need to be replaced at certain intervals?

I may be able to buy a '97 4Runner Limited 4x4 auto for a good deal, but the problem is that is has 175k miles.

If I bought it, I would fully service the whole truck.

Your thoughts and comments please.

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#968630 - 08/18/07 08:04 PM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Islandvic]
flatlandtacoma Offline


Registered: 07/08/06
Posts: 1078
Loc: Illinois
That would be a timing belt, yes. 90k replacement interval.
_________________________
'99 Tacoma 5VZFE 125k miles
'03 Civic Si K20A3 135k miles
JD LT160 Kohler CV460 510 hours

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#968631 - 08/18/07 08:44 PM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: flatlandtacoma]
jsharp Offline


Registered: 12/25/02
Posts: 3593
Loc: Outside smalltown, IL
I wouldn't worry about the mileage if it's been well kept. The timing belt is a $500 job at the dealer if you do all the seals and the water pump at the same time. Less than 1/2 that if you are capable of doing it yourself. One other thing, make sure the transmission has been maintained properly. The autos are spendy if they have problems.

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#968632 - 08/19/07 01:25 AM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: jsharp]
Islandvic Offline


Registered: 02/01/05
Posts: 1272
Loc: South Texas
Probably has the original timing belt, diff and trans fluids.

If I bought the truck, I would replace the H2O pump, timing belt, (and maybe the p/s pump) all at once.

Any additional comments welcome.

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#968633 - 08/19/07 03:42 AM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Islandvic]
mstrjon32 Offline


Registered: 05/27/03
Posts: 1565
Loc: Elkridge, MD
While I wouldn't be surprised if it was the original belt; that is quite a long time to run a timing belt and if it were I'd be concerned about other maintenance on the car.

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#968634 - 08/19/07 08:59 AM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Islandvic]
Merkava_4 Offline


Registered: 01/30/07
Posts: 13208
Loc: Clovis, CA
Quote:

If I bought the truck, I would replace the H2O pump, timing belt, (and maybe the p/s pump) all at once.




"I would" as in yourself?

EDIT!

I you're doing the job yourself, you're going to need one of these cam sprocket holding tools to hold the cam sprocket still while you loosen the cam sprocket's bolt:



Edited by Merkava_4 (08/19/07 09:38 AM)

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#968635 - 08/20/07 07:47 AM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Merkava_4]
wizzells Offline


Registered: 05/28/03
Posts: 188
Loc: Milwaukee, WI
I wouldn't let the mileage scare you too much, assuming the price is right. These trucks are well known to last 300k+ with good maintenance records. I just bought an '02 with 112k on it and didn't bat an eye.
The original service interval on the belt for the '97 was 6k miles, but they later uprated it to 90k miles for the same powertrain. Definetly a good idea to do the water pump and belt tensioner at the same time with that many miles.

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#968636 - 08/20/07 07:48 AM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: wizzells]
wizzells Offline


Registered: 05/28/03
Posts: 188
Loc: Milwaukee, WI
**That shouldve read that "The original service interval on the belt for the '97 was 60k miles", not 6k!

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#968637 - 08/20/07 07:57 AM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Islandvic]
Mokanic Offline


Registered: 12/08/06
Posts: 1563
Loc: North Carolina, USA
Quote:

Probably has the original timing belt, diff and trans fluids.

If I bought the truck, I would replace the H2O pump, timing belt, (and maybe the p/s pump) all at once.

Any additional comments welcome.




Definitely do your w/pump and the t-stat while you are in there. I always replace the cam seals(2) and front crank seal as well. Take a close look at the tensioner and idler too.
These engines will run 300K easily before any major repairs start showing themselves. Simple fluid changes and scheduled tune-ups are all thats needed to keep them running a LONG time. I like the 3.4 over the newer 4.0 as far as being easy to service. If you need any help feel free to PM me anytime.

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#968638 - 08/20/07 12:01 PM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Islandvic]
Merkava_4 Offline


Registered: 01/30/07
Posts: 13208
Loc: Clovis, CA
Well, I don't know what happened to my last image, but here's one from Snap-on:

I can always rely on Snap-on to hold their images.


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#968639 - 08/22/07 09:16 PM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Merkava_4]
mikeg5 Offline


Registered: 06/18/07
Posts: 1754
Loc: north carolina
replace these and not worry for another 100k miles

t-belt
t-belt tensioners
water pump
thermostat
upper and lower radiator hose
front seals
all 3 driving belts

you get those done that will knock out half your worries.. its about 600-$700 to do all that at a good dealership whose prices are not outragous..
_________________________
02 Toyota Tacoma 4 door 3.4 v6 4X4
150k miles. Amsoil in the diffies and tranny
05 Corrola LE 145k miles auto

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#968640 - 08/23/07 07:06 AM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: mikeg5]
derek244 Offline


Registered: 04/09/07
Posts: 188
Loc: Ohio
I echo alot of the good advice given here.

The 3.0 and 3.4 liter Toyota SUV V6's seem to have amazing timing belt life! I have seen them cracked to blue blazes and still run fine. The water pumps always seem to be seeping at the weep hole though.

Not really related, BUT I have seen several 4-Runner transmissions wiped out by the radiator. The internal auto trans cooler in the radiator fails and sends coolant into the trans and ATF into the cooling system. This is something to watch on at least the 97-00 models. I have not seen a 01-02 one fail...yet, even though they are the same body style and drivetrain.
_________________________
'12 Honda Fit Sport: Mobil 1 0w20
'12 Honda CRV: Bulk who-knows-what from dealer (leased)
'70 Buick: Shavings/10w30 Valvoline VR1

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#968641 - 08/23/07 07:48 AM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: derek244]
Islandvic Offline


Registered: 02/01/05
Posts: 1272
Loc: South Texas
Thanks for the tips.

I plan to do all work myself.

Derek, thanks for the trans cooler advice. If so epquiped with a trans cooler in the radiator, I had already been thinking about by-passing it and installing a Perma-Cool Dual Circuit Cooler w/Fan and run trans and P/S fluid through it.

Perma-Cool

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#968642 - 08/23/07 05:04 PM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Islandvic]
Market525 Offline


Registered: 11/25/02
Posts: 312
Loc: Southern Maine
Here is a pretty good link concerning the 3.4 Toyota timing belt replacement:

http://4x4wire.com/toyota/maintenance/timing_belt/

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#968643 - 08/23/07 06:53 PM Re: 1997 4Runner V-6: Timing Chain Replacement? [Re: Market525]
alanu Offline


Registered: 01/14/06
Posts: 384
Loc: Vancouver, BC
changing the timing belt is the walk in the park. Changing the water pump is the time consuming part of the job.

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