1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

my first rx-7

Thread Tools
 
Search this Thread
 
Old 09-21-05, 03:13 AM
  #1  
Junior Member

Thread Starter
 
Atomic Punk's Avatar
 
Join Date: Sep 2005
Location: bellingham
Posts: 14
Likes: 0
Received 0 Likes on 0 Posts
my first rx-7

ok i managed to get the car and i am very happy with it. from what the guy says, or what a mechanic told him it gets coolant in the intake somehow. what would be the sighns of that? any ideas why? maby gasket? also i am new to these cars not so much that i dont know how they work, however if there is any info anyone can think of for basic regular mantencance things to check and regyular things to do please let me know i want to take very good care of this.
Old 09-21-05, 06:50 AM
  #2  
Full Member

 
84-7GSL's Avatar
 
Join Date: Jan 2005
Location: Wisconsin
Posts: 152
Likes: 0
Received 0 Likes on 0 Posts
There should be coolant in the intake. JK., but its most likely the intake o-ring seals is bad. Are you getting any leaking coolant around the intake manifold? Look up facts search for general maint. etc.
Old 09-21-05, 07:27 AM
  #3  
Junior Member

 
rotorbloop82's Avatar
 
Join Date: Jun 2005
Location: australia
Posts: 27
Likes: 0
Received 0 Likes on 0 Posts
Go buy some Chemi Weld and add it to the coolant via the radiator. Chemi Weld is a chemical that helps sealant of leaks. Note, it is only a short term fix, although I've heard of this quick fix, lasting a long time. Good Luck, Jay
Old 09-21-05, 07:37 AM
  #4  
Full Member
 
drozhenbane's Avatar
 
Join Date: Aug 2004
Location: South Dakota
Posts: 162
Likes: 0
Received 0 Likes on 0 Posts
but its most likely the intake o-ring seals is bad
Its the most common problem in your situation. They can be bought from a parts store for like $1.50, dont order one. Just ask for some rubber O-rings take the original with you for sizing. Then purchase some gasket material roll is about $3. Then make a gasket yourself using some scissors, and install the O-rings bolt it all back up and your fixed man. Job Time about 5 hours...Less than an hour if you got a car with no rats nest and aftermarket carb.
Old 09-21-05, 10:32 AM
  #5  
Senior Member

 
tmking66's Avatar
 
Join Date: Oct 2003
Location: Jonesborough, TN
Posts: 440
Likes: 0
Received 0 Likes on 0 Posts
I would get the intake gasket kit from Autozone or Advance Auto Parts. These only run about $7 to $11 and include the intake gasket AND the O rings. No need to halfway slap something together that is a pain in the rear to get to, like the intake manifold, when if can be fixed well for less than $15.

Just my $.02 from someone who just through doing this project last week.

I would also avoid any kind of additive to the coolant until you make sure that the leak is not coming from the gasket or O rings. If it is an internal engine coolant leak the try some of the additive but also realize that this would only be a very temporary fix and a rebuild of the motor is not many miles down the road for you.

Good Luck!
Old 09-21-05, 07:39 PM
  #6  
Junior Member

Thread Starter
 
Atomic Punk's Avatar
 
Join Date: Sep 2005
Location: bellingham
Posts: 14
Likes: 0
Received 0 Likes on 0 Posts
cool i will probably get a gasket kit then, but what are signs of coolant getting into the intake or anywhere else? it seems to drive fine but im not sue what its supposed to sound and drive like anyway
Old 09-21-05, 08:07 PM
  #7  
Old Fart Young at Heart

iTrader: (6)
 
trochoid's Avatar
 
Join Date: Apr 2004
Location: St Joe MO
Posts: 15,145
Likes: 0
Received 7 Likes on 7 Posts
Intake o-ring coolant leaks will often show up above or below where the intake mates to the block. The o-rings are located between the primary and secondary ports (2 of them).

If the leak is at the bottom of the intake, it will drip on the exhaust and burn off. If at the top is will usually puddle, then evaporate.

Do not start throwing a coolant sealer until you have determined the cause of the leak. A coolant sealer is a stop gap measure to prolong a failing engine, until a rebuild or replacement is possible. If reusing the same core for the rebuild, you then have to remove all of the sealant from the internal cooling passages, not worth it in my book.

The other coolant leak you need to worry about is the internal seals. If these fail, a rebuild is required. Easist test for this is to remove the radiator cap, start the engine cold and look for 'champane' bubbles in the radiator, after the engine has reached operating temps.

Since you are new, a word of caution, overheating is usually instant death for a rotary. They will not tolerate overheating like a piston engine will. If you see any signs of overheating, the temp gauge starts going up for no reason, or the low coolant light or buzzer comes on, address the issue immediately!

This does not mean try and drive the car home and then fix it as one of my customers tried to do. He lost the motor. This means stop and pop the hood and find the cause, right there and then. Always carry extra oil and 50/50 antifreeze with you, at a minimum.
Old 09-21-05, 08:30 PM
  #8  
Junior Member

Thread Starter
 
Atomic Punk's Avatar
 
Join Date: Sep 2005
Location: bellingham
Posts: 14
Likes: 0
Received 0 Likes on 0 Posts
cool thanks, thats clsoe to another thing i just noticed today the temp gauge doesnt seem to work. it goes up a bit when the car is turned on but it doesnt get past cold. im thinking sensor. where is that at?
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
alfred1976
RX-7 Audio/Visual Lounge
3
12-03-15 03:06 AM
Duc852
Introduce yourself
1
09-22-15 03:49 AM



Quick Reply: my first rx-7



All times are GMT -5. The time now is 07:03 AM.