04-24-2017, 11:06 AM
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#1
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Join Date: Jul 2015
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Timing cover leak
So, I was checking the 4runner out which is a 2015 Trail with 31,200 miles. I've been dealing with the issue since the 10k mark. The first dealer changed the oil canister housing which resulted in no change.
I watched it for a while and decided to degrease everything and I could then tell it was coming from up high and draining down. So, I narrowed it down to the timing cover.
I took it to another dealer and mentioned that I suspected the timing cover was the issue. Luckily, after examining it they found it was in fact the timing cover. I was told they would need the 4runner for 1.5 days to replace.
So, how many people have had this issue on a 5th generation and does anyone know what goes into the replacement ? I was thinking on 4th generations the engine had to be pulled for replacement.
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Last edited by SKINUM; 04-24-2017 at 11:30 AM.
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04-24-2017, 12:07 PM
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#2
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Senior Member
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Join Date: Jun 2013
Location: Midland, MI
Age: 36
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Real Name: Charles
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Senior Member
Join Date: Jun 2013
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Real Name: Charles
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Quote:
Originally Posted by SKINUM
So, I was checking the 4runner out which is a 2015 Trail with 31,200 miles. I've been dealing with the issue since the 10k mark. The first dealer changed the oil canister housing which resulted in no change.
I watched it for a while and decided to degrease everything and I could then tell it was coming from up high and draining down. So, I narrowed it down to the timing cover.
I took it to another dealer and mentioned that I suspected the timing cover was the issue. Luckily, after examining it they found it was in fact the timing cover. I was told they would need the 4runner for 1.5 days to replace.
So, how many people have had this issue on a 5th generation and does anyone know what goes into the replacement ? I was thinking on 4th generations the engine had to be pulled for replacement.
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Start here:
http://www.toyota-4runner.org/5th-ge...ip-dealer.html
Based on my forum experience I would not say "this is common", based on the above thread I would say "but occurrences are documented"
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2014 Trail Edition Premium, 285/70/R17 BFG KM2, RadFlo 2.5" Coilovers and Rear Shocks, 50qt ARB Fridge, OTRATTW Switches, BudBuilt Bumpout Sliders, Gobi Rack + Ladder / 40" Rigid E2 /Rotopax and MaxTrax mounted, ARB CKMTA12, 270amp Alternator, Southern Style Slimline Hybrid Front Bumper w/ Warn Zeon 10S and Front Fogs, Metal Oil Canister, Sound Deadening Insulation w/ Focal Front Speakers,Black Weather Tech mats and custom pin striping & dents (the trees & bushes did it for free)
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04-24-2017, 12:11 PM
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#3
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Quote:
Originally Posted by Engineer
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Thank you for posting the link. I searched for a thread before posting but couldn't locate anything.
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04-25-2017, 12:30 AM
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#4
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Elite Member
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Join Date: Feb 2011
Location: Bend, OR
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Was more common on the earlier 1GR-FEs, particularly in the early Tacomas for some reason.
It shows up every now and then on the new 4Runners, like
@ Engineer
said it's not common, but it has shown up once in a while.
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02-27-2022, 03:11 AM
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#5
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Wondering if anyone has DIY'd the timing chain cover reseal on a 5th gen 4runner yet. Have the leak and want to fix it myself to save 2 grand but just want to know how others have gone about the fix if they have done it. From what I know, because the 5th gens oil filter bracket is attached to the oil pan, instead of up top like in the 4th gens, you must drop the upper oil pan to get the timing cover off...
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02-27-2022, 04:58 AM
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#6
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Quote:
Originally Posted by Toronto4runner2
Wondering if anyone has DIY'd the timing chain cover reseal on a 5th gen 4runner yet. Have the leak and want to fix it myself to save 2 grand but just want to know how others have gone about the fix if they have done it. From what I know, because the 5th gens oil filter bracket is attached to the oil pan, instead of up top like in the 4th gens, you must drop the upper oil pan to get the timing cover off...
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I mean if you're not squeamish about pulling the engine out of the vehicle and you have an engine stand it's doable at home. It's how you're supposed to do it per the book because of the placement of design changes when they went to dual VVTi and relocated the oil filter housing.
That being said, it is possible to drop the front differential, jack the engine up and slot 1~2" (I forget exactly which size we used) thick blocks between the motor mount and engine brackets to lift the engine up enough to wiggle the lower oil pan off and out. It is by no means easy and extremely frustrating from what I saw; but it did allow my coworker to leave the engine in the vehicle and get the job done. But I honestly don't know how you would accomplish that on jack stands, the amount of wiggling, cursing, and trying to maneuver the upper oil pan to get it physically out of the way seemed hard even with the vehicle on a proper hoist.
I suppose it comes down to what your time is worth and if you have the equipment to get the job done?
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02-27-2022, 10:04 AM
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#7
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Quote:
Originally Posted by BlackWorksInc
I mean if you're not squeamish about pulling the engine out of the vehicle and you have an engine stand it's doable at home. It's how you're supposed to do it per the book because of the placement of design changes when they went to dual VVTi and relocated the oil filter housing.
That being said, it is possible to drop the front differential, jack the engine up and slot 1~2" (I forget exactly which size we used) thick blocks between the motor mount and engine brackets to lift the engine up enough to wiggle the lower oil pan off and out. It is by no means easy and extremely frustrating from what I saw; but it did allow my coworker to leave the engine in the vehicle and get the job done. But I honestly don't know how you would accomplish that on jack stands, the amount of wiggling, cursing, and trying to maneuver the upper oil pan to get it physically out of the way seemed hard even with the vehicle on a proper hoist.
I suppose it comes down to what your time is worth and if you have the equipment to get the job done?
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I’ve had to do it on an F150 and used a pressure treated 4x4 across the fenders with thick towels underneath to hold the engine so it was only lifted and lowered once. I’m sure you could find a bar that is stronger than wood to hold it. But lifting it once, hanging it, letting it down reduces some of the headache.
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02-27-2022, 06:34 PM
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#8
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Join Date: Oct 2017
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Quote:
Originally Posted by BlackWorksInc
I mean if you're not squeamish about pulling the engine out of the vehicle and you have an engine stand it's doable at home. It's how you're supposed to do it per the book because of the placement of design changes when they went to dual VVTi and relocated the oil filter housing.
That being said, it is possible to drop the front differential, jack the engine up and slot 1~2" (I forget exactly which size we used) thick blocks between the motor mount and engine brackets to lift the engine up enough to wiggle the lower oil pan off and out. It is by no means easy and extremely frustrating from what I saw; but it did allow my coworker to leave the engine in the vehicle and get the job done. But I honestly don't know how you would accomplish that on jack stands, the amount of wiggling, cursing, and trying to maneuver the upper oil pan to get it physically out of the way seemed hard even with the vehicle on a proper hoist.
I suppose it comes down to what your time is worth and if you have the equipment to get the job done?
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Seen a YouTube video on replacing the timing chain and gears on a Gen 5 and it’s a 10 hour job per the book without removing the engine. The highly edited and sped up in sections video was nearly 2 hours long.
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02-27-2022, 06:45 PM
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#9
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I’ve replaced the timing chain and gears on a couple GM 6.5 diesels because they are notorious for stretching the chains. It’s about a 4 hour job. You pull the radiator to get more room. Add in replacing the injection pump and it becomes a 6 to 8 hour job.
Back in the day I had a dealer replace just the injection pump on a 6.5 and that was a $3,000 job. With the pump being about $1,200 of that. I can replace an injection pump in about 4 hours taking my time.
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03-01-2022, 11:32 PM
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#10
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Join Date: May 2021
Location: Toronto, Ontario
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Quote:
Originally Posted by BlackWorksInc
I mean if you're not squeamish about pulling the engine out of the vehicle and you have an engine stand it's doable at home. It's how you're supposed to do it per the book because of the placement of design changes when they went to dual VVTi and relocated the oil filter housing.
That being said, it is possible to drop the front differential, jack the engine up and slot 1~2" (I forget exactly which size we used) thick blocks between the motor mount and engine brackets to lift the engine up enough to wiggle the lower oil pan off and out. It is by no means easy and extremely frustrating from what I saw; but it did allow my coworker to leave the engine in the vehicle and get the job done. But I honestly don't know how you would accomplish that on jack stands, the amount of wiggling, cursing, and trying to maneuver the upper oil pan to get it physically out of the way seemed hard even with the vehicle on a proper hoist.
I suppose it comes down to what your time is worth and if you have the equipment to get the job done?
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Thank you for the response. Yeah I saw a similar thing on youtube on a Prado I think it was. Sounds complex :/
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03-01-2022, 11:51 PM
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#11
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Join Date: May 2021
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Quote:
Originally Posted by CutthroatSlam
Seen a YouTube video on replacing the timing chain and gears on a Gen 5 and it’s a 10 hour job per the book without removing the engine. The highly edited and sped up in sections video was nearly 2 hours long.
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Any chance you have the link, I have found one 15min video on a 2015 4runner that isn't too helpful, and bunch on the 4th gens...
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03-01-2022, 11:54 PM
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#12
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Join Date: May 2021
Location: Toronto, Ontario
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Although....thinking of all the room that comes with an engine stand makes me really want an engine stand haha....working on an engine in the open air of day! No rust falling on you! incredible....
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03-02-2022, 12:57 AM
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#14
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03-02-2022, 01:04 AM
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#15
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Join Date: Jan 2012
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Quote:
Originally Posted by Toronto4runner2
Wondering if anyone has DIY'd the timing chain cover reseal on a 5th gen 4runner yet. Have the leak and want to fix it myself to save 2 grand but just want to know how others have gone about the fix if they have done it. From what I know, because the 5th gens oil filter bracket is attached to the oil pan, instead of up top like in the 4th gens, you must drop the upper oil pan to get the timing cover off...
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Doubt it. Juice isn't worth the squeeze unless you happen to be pulling the engine or entire front end off anyway. Mine's been leaking for years and hundreds of thousands of miles, still never left a drop of oil anywhere.
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