GS400 Valve Cover Gasket Replacement - Need Some Help! - Page 2 - ClubLexus - Lexus Forum Discussion


GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

GS400 Valve Cover Gasket Replacement - Need Some Help!

Closed Thread
 
 
 
Thread Tools Search this Thread
Old 08-23-11, 10:17 AM   #16
GS4_Fiend
Lexus Fanatic
iTrader: (22)
 
GS4_Fiend's Avatar
 
Join Date: Aug 2008
Location: CA
Posts: 6,665
Thanks: 0
Thanked 0 Times in 0 Posts
Default

The valve cover on the GS400 is somewhat similar to a 92-95 honda civic. They both got 4 prongs that holds the spark plug O-rings. You must be careful when bending the prongs or they might break. Removing the O-ring is the next worse nightmare. Takes alot of patience. You would need a really thin and small flathead screw driver to pry it out. Most likely in the end, you will be damaging the O-ring in the end but you are gonna replace it anyways. Great job on the job and post, starfyrels.
GS4_Fiend is offline  
Old 08-23-11, 10:48 AM   #17
starfyrels
Account under Legal Action - Banned
Thread Starter
iTrader: (2)
 
Join Date: Jan 2011
Location: Sunshine
Posts: 536
Thanks: 0
Thanked 0 Times in 0 Posts
Default

^ Yeah, agree with that.

It was hard work but clean driveway = win.

I wish I could have taken pics and done a complete how to but I'll start posting a small DIY when I get a chance in between my house, work, the gf, and a couple small projects for some members and myself.
starfyrels is offline  
Old 08-23-11, 10:51 AM   #18
vwynn
Lexus Fanatic
iTrader: (4)
 
Join Date: Feb 2007
Location: CA
Posts: 5,776
Thanks: 0
Thanked 1 Time in 1 Post
Default

the spark seals... they are seals with a spring ring inside right? that creates some tension to seal around the coilpack?
vwynn is offline  
Old 08-23-11, 11:39 AM   #19
GS4_Fiend
Lexus Fanatic
iTrader: (22)
 
GS4_Fiend's Avatar
 
Join Date: Aug 2008
Location: CA
Posts: 6,665
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Quote:
Originally Posted by vwynn View Post
the spark seals... they are seals with a spring ring inside right? that creates some tension to seal around the coilpack?
There's no spring. It's just a seal that sits inside and the prong is to retain them in place.
GS4_Fiend is offline  
Old 08-23-11, 11:47 AM   #20
DASHOCKER
Lexus Fanatic
iTrader: (2)
 
DASHOCKER's Avatar
 
Join Date: Jul 2004
Location: NYC
Posts: 12,187
Thanks: 0
Thanked 0 Times in 0 Posts
Default

If you have a trace of oil on your spark plugs, worn tube seals are most likely the cause. These seals are made out of rubber and will wear in time. These seals do not last forever folks. Everyone will have to replace these considering the age of these cars and the constant hot & cold starts.
DASHOCKER is offline  
Old 08-23-11, 12:07 PM   #21
vwynn
Lexus Fanatic
iTrader: (4)
 
Join Date: Feb 2007
Location: CA
Posts: 5,776
Thanks: 0
Thanked 1 Time in 1 Post
Default

hmm i wonder if they have seals made with viton?
vwynn is offline  
Old 08-23-11, 12:28 PM   #22
starfyrels
Account under Legal Action - Banned
Thread Starter
iTrader: (2)
 
Join Date: Jan 2011
Location: Sunshine
Posts: 536
Thanks: 0
Thanked 0 Times in 0 Posts
Default

The seals DO have a spring or metal piece inside of them.

Its a coiled piece of metal, rounded -- i guess you would say its a spring but it also doesn't retain its rounded shape if you somehow bend the tube seal out of round.

Viton = Moneyyyy
starfyrels is offline  
Old 08-23-11, 12:49 PM   #23
vwynn
Lexus Fanatic
iTrader: (4)
 
Join Date: Feb 2007
Location: CA
Posts: 5,776
Thanks: 0
Thanked 1 Time in 1 Post
Default

its a ring style spring then like the seals used for superchargers and what not.
vwynn is offline  
Old 08-23-11, 05:33 PM   #24
GS4_Fiend
Lexus Fanatic
iTrader: (22)
 
GS4_Fiend's Avatar
 
Join Date: Aug 2008
Location: CA
Posts: 6,665
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Quote:
Originally Posted by starfyrels View Post
The seals DO have a spring or metal piece inside of them.

Its a coiled piece of metal, rounded -- i guess you would say its a spring but it also doesn't retain its rounded shape if you somehow bend the tube seal out of round.

Viton = Moneyyyy
lol. i dont recall. But listen to him cuz he's done it.
GS4_Fiend is offline  
Old 08-23-11, 05:46 PM   #25
vwynn
Lexus Fanatic
iTrader: (4)
 
Join Date: Feb 2007
Location: CA
Posts: 5,776
Thanks: 0
Thanked 1 Time in 1 Post
Default

is the outter part of the seal metal?
vwynn is offline  
Old 08-23-11, 09:53 PM   #26
starfyrels
Account under Legal Action - Banned
Thread Starter
iTrader: (2)
 
Join Date: Jan 2011
Location: Sunshine
Posts: 536
Thanks: 0
Thanked 0 Times in 0 Posts
Default

The outer ring is metal and so is the inner ring. If i can find my messed up tube seals I'll post pics.
starfyrels is offline  
Old 09-28-11, 12:04 PM   #27
vwynn
Lexus Fanatic
iTrader: (4)
 
Join Date: Feb 2007
Location: CA
Posts: 5,776
Thanks: 0
Thanked 1 Time in 1 Post
Default

updates?

my valve covers are leaking a little! OH NO!!

hopefully someone has a DIY ... least for the driver side lol
vwynn is offline  
Old 09-28-11, 02:37 PM   #28
starfyrels
Account under Legal Action - Banned
Thread Starter
iTrader: (2)
 
Join Date: Jan 2011
Location: Sunshine
Posts: 536
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Dont have pics, but If you're doing the driver side just remove all hoses and everything from the cover, then pull out the 4 coil packs, no need to remove the spark plugs.

Next there are a few bolts all around the cover, you'll need to really get a bendable wrench in there or a mini wrench.

Next thing to do is to pull the cover off; pull out the old gasket and clean the valve cover, then place the new gasket in.

To change out the spark plug seals you need a skinny screw driver an a small hammer or a nice screwdriver at least something strong. Maybe a pick and awl or something. There are three tabs; try to Jimmy them up a bit, pull out the old gasket/ring and then place the new one in -- try to make note of how it is removed/installed.

Then replace everything.

Some people say to do the journal caps once you are in there but if its not leaking (towards the rear of the engine block, you have to feel for it but you might be able to see it.

After that, replace everything and hope for the best.
starfyrels is offline  
Old 09-28-11, 04:33 PM   #29
vwynn
Lexus Fanatic
iTrader: (4)
 
Join Date: Feb 2007
Location: CA
Posts: 5,776
Thanks: 0
Thanked 1 Time in 1 Post
Default

you make the driver side seem really easy . i just dislike how the engine harness covers that whole side. lol.

does the cam covers have to come off?
vwynn is offline  
Old 09-28-11, 04:52 PM   #30
vwynn
Lexus Fanatic
iTrader: (4)
 
Join Date: Feb 2007
Location: CA
Posts: 5,776
Thanks: 0
Thanked 1 Time in 1 Post
Default

btw you think the cam seals can be access when the cover is off too?
vwynn is offline  
 
 
Closed Thread

Related Topics
Thread Thread Starter Forum Replies Last Post
Replaced Front and Rear Valve Cover Gasket! maniax ES - 1st to 4th Gen (1990-2006) 22 07-04-15 07:26 PM
Broken valve cover bolt - fixed jltait ES - 1st to 4th Gen (1990-2006) 2 01-19-15 07:01 PM
valve cover gaskets, rockers and torque specs Bankswood Performance & Maintenance 0 10-09-14 05:24 PM
1JZ Head bolt torque & sequence codetoad Performance & Maintenance 5 04-02-09 05:45 PM
Solving the Valve Cover Gaskets - Permanently Pheonix ES - 1st to 4th Gen (1990-2006) 9 12-18-08 12:41 PM


Tags
1998 , cover , float , gasket , gaskets , gs400 , install , lexus , pin , plug , rear , replacement , spark , tubes , valve

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump


All times are GMT -7. The time now is 07:26 PM.


Copyright © 2000-2017 Internet Brands, Inc. All Rights Reserved We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: