Go Back  Offshoreonly.com > Technical > General Q & A
Exhaust Manifold Driping? >

Exhaust Manifold Driping?

Notices

Exhaust Manifold Driping?

Thread Tools
 
Old 05-18-2009 | 08:55 PM
  #1  
Thread Starter
Registered
 
Joined: Oct 2008
Posts: 4
Likes: 0
Default Exhaust Manifold Driping?

So, I was running the boat on the garden hose today and noticed that both manifolds are dripping water slowly, one spot on each side. The boat is a 1999 Baja Hammer with a 454 non mag with 160 hours. How bad is this? I'm guessing it was happening last year but I never noticed it? Should I replace them asap? or can it wait? Money is a little tight, what do ya guys think? Thanks, Jake
HammerJake is offline  
Reply
Old 05-18-2009 | 09:02 PM
  #2  
Registered
 
Joined: Jan 2007
Posts: 1,667
Likes: 0
Default

Originally Posted by HammerJake
So, I was running the boat on the garden hose today and noticed that both manifolds are dripping water slowly, one spot on each side. The boat is a 1999 Baja Hammer with a 454 non mag with 160 hours. How bad is this? I'm guessing it was happening last year but I never noticed it? Should I replace them asap? or can it wait? Money is a little tight, what do ya guys think? Thanks, Jake
If they're leaking where you can see them what about if they're leaking where you can't???? A tight budget now will be worse later if you fill the engine with water.

Better to take them off and insure a dry engine and then fix it later when you have extra green.

You should be able to just get them off at least to satisfy your concern. Just my opinion.
SDFever is offline  
Reply
Old 05-19-2009 | 02:15 AM
  #3  
Registered
15 Year Member
 
Joined: Mar 2009
Posts: 496
Likes: 0
Default

Originally Posted by SDFever
If they're leaking where you can see them what about if they're leaking where you can't???? A tight budget now will be worse later if you fill the engine with water.

Better to take them off and insure a dry engine and then fix it later when you have extra green.

You should be able to just get them off at least to satisfy your concern. Just my opinion.
x 2 the parts are not that much right now BUT it will be soon. And you might have enough help "here" to do the work your self to save on some labor time. Just my opinion also.
Boat Tech is offline  
Reply
Old 05-19-2009 | 02:36 AM
  #4  
c_deezy's Avatar
Registered
 
Joined: Aug 2006
Posts: 2,461
Likes: 0
From: Ontario, OH
Default

First of all, where exactly are they leaking? Where the riser comes off the manifold I'm guessing? Pics would help.

That is the common place they start leaking. You need to pull the risers off and replace the gaskets.
c_deezy is offline  
Reply
Old 05-19-2009 | 09:06 AM
  #5  
Thread Starter
Registered
 
Joined: Oct 2008
Posts: 4
Likes: 0
Default

they are leaking next to the bolt heads that fasten the manifold to the head.
HammerJake is offline  
Reply
Old 05-19-2009 | 10:16 AM
  #6  
Registered
 
Joined: Jan 2007
Posts: 1,667
Likes: 0
Default

Originally Posted by HammerJake
they are leaking next to the bolt heads that fasten the manifold to the head.
See again, to make sure it doesn't go from bad to worse pull the whole thing off and make sure it's not getting in the cylinder(s).

Although it's common for the riser gaskets etc to fail first, this does not always apply especially if for instance a lot of guys buy risers at a different time then when the manifolds were bought. If you bought a used boat or engine it goes on and on.. Pull off both sides and have a look. It's cheap to do it yourself.
SDFever is offline  
Reply
Old 05-19-2009 | 02:45 PM
  #7  
Throttle Fever's Avatar
VIP Member
15 Year Member
VIP Member
 
Joined: Nov 2008
Posts: 503
Likes: 0
From: Bend Oregon
Angry

Could they of froze over the winter??
Throttle Fever is offline  
Reply
Old 05-19-2009 | 03:15 PM
  #8  
Dock Holiday's Avatar
Charter Member #34
 
Joined: Oct 2000
Posts: 7,151
Likes: 2
From: Beautiful North Carolina
Default

Originally Posted by Throttle Fever
Could they of froze over the winter??
That was what I was thinking. Seems strange they would both start leaking at the same time.

I would pull them both off and do a complete inspection looking for cracks. If all looks good install them back on with NEW gaskets and bolts and you can count your self lucky.
Dock Holiday is offline  
Reply
Old 05-19-2009 | 03:37 PM
  #9  
Registered
15 Year Member
 
Joined: Oct 2005
Posts: 1,899
Likes: 20
From: Millstadt, IL
Default

I agree with these guys. Do not gamble with water leaking. Riser joints are a common failure, however you should see water leaking at the joint. It they are cracked they may leak between the manifold and head. I would pull them off and inspect them. If they need replaced get a good aftermarket manifold. I use the EMI Thunders, many others are available.
jeffswav is offline  
Reply
Old 05-19-2009 | 05:26 PM
  #10  
Registered
 
Joined: Aug 2008
Posts: 348
Likes: 0
From: bristol,Ct
Default

I got a nice set of new manifolds for $320 for a BBC off Ebay. Good quality and a good price.look around.
tcuda499 is offline  
Reply

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



Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.