Leaking oil pan
#1
Registered User
Thread Starter
Join Date: Oct 2019
Location: Denver, CO
Posts: 3
Likes: 0
Received 0 Likes
on
0 Posts
Leaking oil pan
Does anyone know how to prevent an oil leak from the oil pan on a 1994 4Runner with the 3.0L engine. I replaced the oil pan gaskets and put sealant on both sides but I’m still getting a leak.
#2
Registered User
Are you 100% sure the leak is coming from the oil pan?
You might have a leak higher up that collects around the oil pan.
Clean the oil pan area really well to be sure where the leak is coming from.
According to Toyota, the 3VZ-E just uses a Form In Place Gasket (FIPG), also called Seal Packing (both names used by Toyota).
This thread has some helpful information: https://www.yotatech.com/forums/f116...g-both-201485/
You might have a leak higher up that collects around the oil pan.
Clean the oil pan area really well to be sure where the leak is coming from.
According to Toyota, the 3VZ-E just uses a Form In Place Gasket (FIPG), also called Seal Packing (both names used by Toyota).
This thread has some helpful information: https://www.yotatech.com/forums/f116...g-both-201485/
#3
Are you 100% sure the leak is coming from the oil pan?
You might have a leak higher up that collects around the oil pan.
Clean the oil pan area really well to be sure where the leak is coming from.
According to Toyota, the 3VZ-E just uses a Form In Place Gasket (FIPG), also called Seal Packing (both names used by Toyota).
This thread has some helpful information: https://www.yotatech.com/forums/f116...g-both-201485/
You might have a leak higher up that collects around the oil pan.
Clean the oil pan area really well to be sure where the leak is coming from.
According to Toyota, the 3VZ-E just uses a Form In Place Gasket (FIPG), also called Seal Packing (both names used by Toyota).
This thread has some helpful information: https://www.yotatech.com/forums/f116...g-both-201485/
Clean the pan gasket surface with a wire wheel in a drill motor until it shines. Then degrease it thoroughly. Then use the Toyota brand FIPG and nothing else. No gasket! Don't over tighten the bolts! Use a torque wrench to specs. Also, check the pan lip with a straight edge and make sure it's level.
Last edited by Tims86Toy; 10-21-2019 at 07:48 AM.
#4
Registered User
Join Date: Sep 2007
Location: San Francisco East Bay
Posts: 8,299
Likes: 0
Received 841 Likes
on
661 Posts
Personally, I wouldn't use a wire wheel on any sealing surface (it will damage the metal). The oil pan isn't a very critical seal, so whatever you do, be careful.
The reason mechanics like FIPG is because it sets up REALLY fast. Important if you have to get one vehicle out of the bay and get onto the next one. But I'm no professional, and sometimes it takes me a little longer to get everything lined up correctly. So I prefer RTV or Permatex. I just have to let my truck sit overnight before starting it.
Your choice. Just remember that if you use FIPG and end up spending 10 minutes trying to get stuff aligned, you need to start all over.
The reason mechanics like FIPG is because it sets up REALLY fast. Important if you have to get one vehicle out of the bay and get onto the next one. But I'm no professional, and sometimes it takes me a little longer to get everything lined up correctly. So I prefer RTV or Permatex. I just have to let my truck sit overnight before starting it.
Your choice. Just remember that if you use FIPG and end up spending 10 minutes trying to get stuff aligned, you need to start all over.
#6
Personally, I wouldn't use a wire wheel on any sealing surface (it will damage the metal). The oil pan isn't a very critical seal, so whatever you do, be careful.
The reason mechanics like FIPG is because it sets up REALLY fast. Important if you have to get one vehicle out of the bay and get onto the next one. But I'm no professional, and sometimes it takes me a little longer to get everything lined up correctly. So I prefer RTV or Permatex. I just have to let my truck sit overnight before starting it.
Your choice. Just remember that if you use FIPG and end up spending 10 minutes trying to get stuff aligned, you need to start all over.
The reason mechanics like FIPG is because it sets up REALLY fast. Important if you have to get one vehicle out of the bay and get onto the next one. But I'm no professional, and sometimes it takes me a little longer to get everything lined up correctly. So I prefer RTV or Permatex. I just have to let my truck sit overnight before starting it.
Your choice. Just remember that if you use FIPG and end up spending 10 minutes trying to get stuff aligned, you need to start all over.
#7
Registered User
iTrader: (8)
Join Date: May 2011
Location: Southeast Virginia
Posts: 1,517
Likes: 0
Received 353 Likes
on
219 Posts
Wire wheel is the perfect tool for cleaning silicone off an oil pan. Won't hurt the oil pan at all. Makes a mess though so clean out the pan well. It would work great on the bottom of the block but the mess it makes would be hard to clean out of all the nooks and crannies around the crank, rods, and inside of the block if you aren't doing a total teardown and rebuild. Wire wheel works great on steel/iron. Works fine on aluminum too if you're light and fast. Too long in one area will start to eat into the aluminum though.
The following users liked this post:
Tims86Toy (10-24-2019)
Trending Topics
#9
Registered User
iTrader: (-1)
When the bolts get torque down the pan can deform and the area around the bolt.hole will be proud of the rest of the surface which makes it difficult to get a good seal on the gasket. You can lay a straight edge front to back along some of the holes and spot it right off. Just tap these high spots down with a flat faced hammer and you get a much better seal.
The following users liked this post:
5 Fists (10-24-2019)
Thread
Thread Starter
Forum
Replies
Last Post
jwinatlanta
86-95 Trucks & 4Runners
5
01-23-2013 02:05 PM
BajaRunner
95.5-2004 Tacomas & 96-2002 4Runners
21
11-08-2006 10:52 PM