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Mobil 1 5W/30 04 Toyota 4runner. #4797872
06/26/18 10:37 AM
06/26/18 10:37 AM
Joined: Mar 2018
Posts: 11
Colville, WA
jbn3500 Offline OP
jbn3500  Offline OP
Joined: Mar 2018
Posts: 11
Colville, WA
Had my first ever UOA back on my truck. I have had this vehicle since new. Was concerned if I would find traces of antifreeze in the oil, since these 4th gen. 4runners are notorious for HG leaks. Mine has never had any signs of a leak yet, knock on wood. Thanks.



John
2018 Ram 3500, 6.7.
2016 Toyota 4Runner
2004 Toyota 4Runner
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4797876
06/26/18 10:41 AM
06/26/18 10:41 AM
Joined: Jun 2005
Posts: 627
Danville, Indiana
IndyFan Offline
IndyFan  Offline
Joined: Jun 2005
Posts: 627
Danville, Indiana
Wow, great report! Any reason for the short OCI, other than concern over HG leak?


18 Jeep JLUR Wrangler 3.6 5k
15 Ford Transit 93k, Reman 3.5 @85k
08 Jeep Wrangler 3.8 123k
01 Ford F150 Crew 5.4 79k
99 Mercedes E430 Sport 89k
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: IndyFan] #4797880
06/26/18 10:47 AM
06/26/18 10:47 AM
Joined: Mar 2018
Posts: 11
Colville, WA
jbn3500 Offline OP
jbn3500  Offline OP
Joined: Mar 2018
Posts: 11
Colville, WA
Originally Posted By: IndyFan
Wow, great report! Any reason for the short OCI, other than concern over HG leak?


High indy, that was the only reason. I usually go 7,000 between changes. I'm hoping i never have to go through the HG ordeal.


John
2018 Ram 3500, 6.7.
2016 Toyota 4Runner
2004 Toyota 4Runner
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4797902
06/26/18 11:23 AM
06/26/18 11:23 AM
Joined: May 2018
Posts: 103
California
Dave1027 Offline
Dave1027  Offline
Joined: May 2018
Posts: 103
California
Originally Posted By: jbn3500
Had my first ever UOA back on my truck. I have had this vehicle since new. Was concerned if I would find traces of antifreeze in the oil, since these 4th gen. 4runners are notorious for HG leaks. Mine has never had any signs of a leak yet, knock on wood. Thanks.


Notorious? I have the same engine in my '07 Tacoma. This is the first I have ever heard about HG leaks on these engines. Could that have been an '04 thing that was fixed on later models?

Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4797912
06/26/18 11:30 AM
06/26/18 11:30 AM
Joined: Mar 2017
Posts: 570
West Ma.
rollinpete Offline
rollinpete  Offline
Joined: Mar 2017
Posts: 570
West Ma.
Can't ask for much better.
Nice Report. thumbsup


Pete.
97 Ford Expl.Sport 4.0 ohv 4wd 5spddrive184k miles
Last Change;
Penn. Plat. HM. 5w30
Fram xg8a, Fram CA8141

I like my oil (slippery).

Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4797937
06/26/18 11:52 AM
06/26/18 11:52 AM
Joined: Oct 2010
Posts: 8,809
Virginia Beach
Astro14 Offline
Astro14  Offline
Joined: Oct 2010
Posts: 8,809
Virginia Beach
The 1990-1992 4 Runner V-6 (a 3.0 SOHC) was notorious for HG leaks and subject to a huge recall.

Your engine is known as a good, durable performer.

I think you’re confusing the two...


32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Pennzoil Ultra
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: Dave1027] #4797944
06/26/18 12:01 PM
06/26/18 12:01 PM
Joined: Mar 2018
Posts: 11
Colville, WA
jbn3500 Offline OP
jbn3500  Offline OP
Joined: Mar 2018
Posts: 11
Colville, WA
Originally Posted By: Dave1027
Originally Posted By: jbn3500
Had my first ever UOA back on my truck. I have had this vehicle since new. Was concerned if I would find traces of antifreeze in the oil, since these 4th gen. 4runners are notorious for HG leaks. Mine has never had any signs of a leak yet, knock on wood. Thanks.


Notorious? I have the same engine in my '07 Tacoma. This is the first I have ever heard about HG leaks on these engines. Could that have been an '04 thing that was fixed on later models?


Dave, it's mostly in the 4th gen 4runners, but the earlier years seem to have the issues. ALOT of HG problems are caused from owners overheating their engines. Luckily, I have never overheated my vehicle.


John
2018 Ram 3500, 6.7.
2016 Toyota 4Runner
2004 Toyota 4Runner
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4798008
06/26/18 01:32 PM
06/26/18 01:32 PM
Joined: May 2012
Posts: 953
Rio Rancho, NM
Pajero Offline
Pajero  Offline
Joined: May 2012
Posts: 953
Rio Rancho, NM
That is a fantastic report. Hardly any wear metals reported and insolubles .1.


Respectfully,

Pajero!


Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4798049
06/26/18 02:08 PM
06/26/18 02:08 PM
Joined: Apr 2007
Posts: 2,834
WI.
dblshock Offline
dblshock  Offline
Joined: Apr 2007
Posts: 2,834
WI.
the 4.0L H/G issues were addressed after mfg. date 11/05 I've read...let's see some pics of this bad boy.


16 Civic Coupe Touring 33k
640:1 TCW-3 E091
Edge 0/40 XG7317
Firehawk Indy 500

06 4Runner SR5 141k
640:1 TCW-3
M1 0/40 XG3614
Falken Wildpeak AT3W
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: dblshock] #4798059
06/26/18 02:23 PM
06/26/18 02:23 PM
Joined: Mar 2018
Posts: 11
Colville, WA
jbn3500 Offline OP
jbn3500  Offline OP
Joined: Mar 2018
Posts: 11
Colville, WA
Originally Posted By: dblshock
the 4.0L H/G issues were addressed after mfg. date 11/05 I've read...let's see some pics of this bad boy.




Here she is dblshock. Drove her off the show room floor in 2004, and loved driving this rig since! How do you like your 4runner?


John
2018 Ram 3500, 6.7.
2016 Toyota 4Runner
2004 Toyota 4Runner
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4798075
06/26/18 02:43 PM
06/26/18 02:43 PM
Joined: Apr 2007
Posts: 2,834
WI.
dblshock Offline
dblshock  Offline
Joined: Apr 2007
Posts: 2,834
WI.
very nice, the 4th gen is regarded as the finest T4R to date...doubt I'd part with mine.


16 Civic Coupe Touring 33k
640:1 TCW-3 E091
Edge 0/40 XG7317
Firehawk Indy 500

06 4Runner SR5 141k
640:1 TCW-3
M1 0/40 XG3614
Falken Wildpeak AT3W
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4798100
06/26/18 03:11 PM
06/26/18 03:11 PM
Joined: Jan 2010
Posts: 119
Olathe, KS
CARJ Offline
CARJ  Offline
Joined: Jan 2010
Posts: 119
Olathe, KS
The 04-05 V6's are prone to issues. I have an 04 with 173k. Love the vehicle, but also worry about the HG.


Last edited by CARJ; 06/26/18 03:13 PM.

2004 Toyota 4Runner | 178k | PYB 5w-30
2012 VW Passat | 83k | Castrol Professional 5w-40
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: CARJ] #4798112
06/26/18 03:27 PM
06/26/18 03:27 PM
Joined: Mar 2018
Posts: 11
Colville, WA
jbn3500 Offline OP
jbn3500  Offline OP
Joined: Mar 2018
Posts: 11
Colville, WA
Originally Posted By: CARJ
The 04-05 V6's are prone to issues. I have an 04 with 173k. Love the vehicle, but also worry about the HG.



Holy Smokes carj, ours could be twins. Nice looking vehicle. are you having any signs of a HG issue with yours?


John
2018 Ram 3500, 6.7.
2016 Toyota 4Runner
2004 Toyota 4Runner
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4798130
06/26/18 03:47 PM
06/26/18 03:47 PM
Joined: Jan 2010
Posts: 119
Olathe, KS
CARJ Offline
CARJ  Offline
Joined: Jan 2010
Posts: 119
Olathe, KS
So far I don't think so. It does use a little bit of coolant but hasn't shown any of the other signs. I recently replaced the radiator, hoses and thermostat after it started to run warm (over 200 on the scan gauge) and that fixed the issue. Just did 3,100 miles over the last couple of weeks and it's running great. At this point, if the HG becomes an issue, we'll just have it replaced and continue driving it. There's no reason it can't go 300k.


2004 Toyota 4Runner | 178k | PYB 5w-30
2012 VW Passat | 83k | Castrol Professional 5w-40
Re: Mobil 1 5W/30 04 Toyota 4runner. [Re: jbn3500] #4798175
06/26/18 05:12 PM
06/26/18 05:12 PM
Joined: Dec 2010
Posts: 3,353
Los Angeles, California
Gokhan Offline
Gokhan  Offline
Joined: Dec 2010
Posts: 3,353
Los Angeles, California
I believe universal averages are for 6,000 miles. So, your extrapolated wear rates are a little higher than universal averages but still in the same ballpark (15 ppm vs. 11 ppm). Mobil 1 has improved its valvetrain wear (iron number) but it's still a little higher than a typical oil that doesn't contain the AW-additive-fighting esters. Slight increase in wear is OK though given the cleaning advantages of Mobil 1.


1985 Toyota Corolla LE, 4A-LC engine, ~ 270,000 M
Toyota (TGMO) 0W-20 SN high-moly GTL (new formulation)
Mobil 1 EP M1-103 filter, 90430-12031 drain gasket
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