Go Back   Blazer Forum - Chevy Blazer Forums > Mechanical & Maintenance > Engine & Transmission
Sign in using an external account
Register Forgot Password?
Search


Welcome to Blazer Forum!
Welcome to Blazer Forum,

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to start new topics, reply to conversations, privately message other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, join Blazer Forum today!


Closed Thread
 
 
 
 
LinkBack Thread Tools Search this Thread
  #1  
Old 04-11-2011, 03:24 PM
New Member
 
Join Date: Feb 2011
Posts: 7
86k5 is on a distinguished road
Default intake manifold leak

well i found out today that my intake manifold is leaking on my 86 k5 chevy blazer 4x4. just curious how to how bad it is to keep driving it if i watch the coolant level? it looses a good amount of coolant after i run it and its sitting. and how hard would it be to fix? is it just the gasket or bigger problems?
please help
  #2  
Old 04-11-2011, 04:24 PM
jpimp's Avatar
Starting Member
1999 GMC Jimmy
My Garage
 
Join Date: Nov 2010
Location: Canada
Posts: 165
jpimp is on a distinguished road
Default

Quote:
Originally Posted by 86k5 View Post
well i found out today that my intake manifold is leaking on my 86 k5 chevy blazer 4x4. just curious how to how bad it is to keep driving it if i watch the coolant level? it looses a good amount of coolant after i run it and its sitting. and how hard would it be to fix? is it just the gasket or bigger problems?
please help
I wouldn't run long like that...coolant is not cheap, and pure water will rust out your block.

Get a cooling system pressure checker
use it verify the leak
then repair.
Intake gaskets aren't that hard.
__________________
Asus X48 @ 1752Mhz, Q6600 @ 3.5Ghz under water, crossfire 4870 1gb's
  #3  
Old 04-11-2011, 04:28 PM
DySfUnCtIoNaL's Avatar
Junior Member
2001 Chevrolet Blazer
 
Join Date: Feb 2011
Location: Augusta, Ga
Posts: 369
DySfUnCtIoNaL is on a distinguished road
Default

Oil & water don't mix, those main bearings don't like water at all.
It's not terribly bad to fix, as long as it's the intake that's leaking and not the head gaskets.
__________________
01 Blazer LS, 4.3, 5spd, 2dr

Build-Thread
  #4  
Old 04-11-2011, 09:52 PM
abig84's Avatar
BF Veteran
 
Join Date: Aug 2009
Location: munster indiana
Posts: 2,987
abig84 will become famous soon enoughabig84 will become famous soon enough
Default

intakes are easy, but the hardest part is trying to hold that heavy intake over the engine and placing it down without sliding the gaskets or silicone around
  #5  
Old 04-12-2011, 03:50 PM
New Member
 
Join Date: Feb 2011
Posts: 7
86k5 is on a distinguished road
Default

alright, all good advice, well i just got done fixing my brakes, front rotors were warped to ****, felt like a earthquake everytime i would brake, and of course as soon as i get those done, intake manifold decides to take a **** as well, probably cuz of all the violent shaking from brakes, but thanks for advice, im gonna tear it apart and try to fix it this weekend i think, any tips you guys have? first time doing this. i looked up lots of videos, seems pretty basic, just gonna take my time. and as long as i watch the leak it should be fine to drive the next 3 or 4 days without permanently damaging anything on my block correct?
  #6  
Old 04-12-2011, 10:55 PM
abig84's Avatar
BF Veteran
 
Join Date: Aug 2009
Location: munster indiana
Posts: 2,987
abig84 will become famous soon enoughabig84 will become famous soon enough
Default

as long as it aint leaking in the engine just keep a eye on it. just remember to silicone the front and back of the intake, especially the corners where gaskets meet the front and back flat section of the intake.

dont forget to mark your distributor too or take a picture of where its at so you can reinstall that back in the same place
  #7  
Old 04-13-2011, 10:43 PM
New Member
 
Join Date: Feb 2011
Posts: 7
86k5 is on a distinguished road
Default

as im doing more resarch im learning that this leak could also be caused by a blown head gasket, and im starting to think that could be it, any way to know if its my intake manifold gasket or a head gasket? and if it is a head gasket am i in for a lot more work? how hard are they exactly to replace? please give me any advice you have.
  #8  
Old 04-14-2011, 07:46 AM
swartlkk's Avatar
Administrator
2009 GMC Yukon Denali
My Garage
 
Join Date: May 2005
Location: Waterloo, NY
Posts: 39,969
swartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond reputeswartlkk has a reputation beyond repute
Send a message via ICQ to swartlkk Send a message via AIM to swartlkk
Default

A compression test will tell you if you have a leaking head gasket or not. Also, there are products that can test the coolant for signs of combustion byproducts which typically could not make it into the cooling system. If the head gasket is really bad, you can see it on the plugs as well. The plug will be steam cleaned, nice & white. But the plugs can show this effect with a bad intake manifold gasket if the leak is into one of the intake runners.
Old 04-14-2011, 07:46 AM
 
 
 
Closed Thread

Tags
01, 2001, antifreeze, bad, bigger, blazer, chevy, driving, engine, gasket, intake, leads, leak, leaking, manifold, problems, repairing


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 On
Pingbacks are On
Refbacks are On


Advertising

Featured Sponsors
Vendor Directory
Our Sponsors

All times are GMT -5. The time now is 08:35 AM.

Internet Brands, Inc.