Notices
Series I Tech Garage The place to discuss anything technical about the RX-8 that doesn't fit into any of the categories below.

Coolant leak, Throttle body?

Old Apr 4, 2018 | 10:44 AM
  #1  
titaneum_grey's Avatar
Thread Starter
Grey Boy
 
Joined: Jan 2005
Posts: 236
Likes: 7
From: Long Island, N.Y.
Coolant leak, Throttle body?

Hi.
I just had my 8 inspected and the tech told me it took a gallon of coolant. He stated it has a leak somewheres around the throttle body but he couldn't see where without opening things up. I can see the coolant on the engine by the throttle body but the schematics in the manual do not show much.
I searched throttle body coolant leak but didn't find anything. Has anyone had this problem?

Last edited by titaneum_grey; Apr 4, 2018 at 10:45 AM. Reason: spelling
Reply
Old Apr 4, 2018 | 10:49 AM
  #2  
200.mph's Avatar
FULLY SEMI AUTOMATIC
iTrader: (9)
 
Joined: Aug 2008
Posts: 5,999
Likes: 3,455
From: BALLS DEEP
coolant passes through the tb. theres two hoses connected to it
Reply
Old Apr 4, 2018 | 01:55 PM
  #3  
UnknownJinX's Avatar
Smoking turbo yay
 
Joined: Apr 2017
Posts: 3,119
Likes: 674
From: BC, Canada
^Yep. I believe it's there to prevent freezing.

Check the hoses going in and out of the throttle body.
Reply
Old Apr 4, 2018 | 04:56 PM
  #4  
Red line envy's Avatar
Registered
 
Joined: Aug 2015
Posts: 681
Likes: 358
From: In the 8
Yes there is one on the top corner of the tb and the other is on the bottom opposite corner
Reply
Old Apr 4, 2018 | 08:12 PM
  #5  
titaneum_grey's Avatar
Thread Starter
Grey Boy
 
Joined: Jan 2005
Posts: 236
Likes: 7
From: Long Island, N.Y.
Found it, a worn spot on the back side of the bottom hose. I was able to cut it at the break and put it back on, till I get a replacement.
Thanks to all.
Attached Thumbnails Coolant leak, Throttle body?-0404181555.jpg  
Reply
Old Apr 5, 2018 | 06:30 AM
  #6  
200.mph's Avatar
FULLY SEMI AUTOMATIC
iTrader: (9)
 
Joined: Aug 2008
Posts: 5,999
Likes: 3,455
From: BALLS DEEP
Originally Posted by UnknownJinX
^Yep. I believe it's there to prevent freezing.

Check the hoses going in and out of the throttle body.
iirc its there for cold weather start ups, not so much freezing cause its antifreeze
Reply
Old Jun 21, 2023 | 09:08 PM
  #7  
SkyeTheSaltyCat's Avatar
New Member
 
Joined: Jun 2023
Posts: 1
Likes: 1
I found my coolant leak!

I had big misfires upon cold startup, white smoke and I was experiencing a slow coolant loss. Fearing the worst, I thought the coolant seals were dead. It turns out, the throttle body was leaking coolant in the following image, where all the grey crap is the stop leak that sealed the leak a few weeks ago.

You can see the grey stuff leaking from the hinge, and at WOT, the coolant would obviously spread across the outside of the butterfly and harden.
This saves an AUD$6000 rebuild!
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
gummyAvenger
Series I Trouble Shooting
6
Oct 11, 2016 02:36 PM
p8ntman442
Series I Tech Garage
25
Jul 14, 2015 02:58 PM
van
Series I Trouble Shooting
6
Dec 2, 2011 08:46 PM
SARRAS
Series I Tech Garage
10
Apr 18, 2011 12:50 AM


Thread Tools
Rate This Thread
Rate This Thread:
You have already rated this thread Rating: Thread Rating: 0 votes,  average.


All times are GMT -5. The time now is 03:01 AM.