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

motor ruined?

Thread Tools
 
Search this Thread
 
Old 08-27-10, 02:16 AM
  #1  
Junior Member
Thread Starter
 
sandman315's Avatar
 
Join Date: Oct 2009
Location: Syracuse NY
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
motor ruined?

79, 12a carbed factory motor 105,000 , so im driving home tonight, and my low oil light is on, i cut the car off and coast into a parking lot, see smoke pouring out of my hood, pop the hood to see that the lower oil cooler line is off the block, and my car wont crank over at all, when i try to turn it over it just hesitates, like the motors seised, any tips here guys? its currently my olny car and i need a car by monday
Old 08-27-10, 03:26 AM
  #2  
RX HVN

iTrader: (2)
 
7aull's Avatar
 
Join Date: Jan 2003
Location: Arizona
Posts: 3,889
Received 228 Likes on 168 Posts
Sounds like she's cooked herself
If you need wheels by monday, you'd better start with the newspaper ads, etc. The SA isn't going anywhere w/o a miracle and/or a rebuild....

sorry man-

Lots of great advise here if you want to resurrect her. You didn't mention any over heating so IF you dodged that bullet, and didn't seize it maybe hooking back up the line, topping up the oil again, she'll restart? If the rotors have truly seized it might have to be pulled apart and resealed, assuming no damage to housings. Lots of unknowns here, but have heard of some amazing resurrections so maybe someone has an adventurous idea??
Stu Aull
80GS
Alaska
Old 08-27-10, 03:48 AM
  #3  
Junior Member
Thread Starter
 
sandman315's Avatar
 
Join Date: Oct 2009
Location: Syracuse NY
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
the car defentily did not overheat, i was watching the temp gauge the entire time, but the car will just not turn over, when i crank it the fan moves, but being in the car i cant see if the belts just slipping on the crank pulley, i can just see the fan moving an half inch or so each time i turn it over, i want to crank the block over by hand but i cant get a ******* rachet combo in there past that fan
Old 08-27-10, 08:23 AM
  #4  
mustang hunter

 
eViLjAy's Avatar
 
Join Date: Apr 2004
Location: Iowa
Posts: 126
Likes: 0
Received 0 Likes on 0 Posts
Really if it is not locked (guessing no if the fan is moving while cranking) you should be able to turn it by hand using the belts and lowest pulley... Good luck man, hope she survived.
Old 08-27-10, 10:52 AM
  #5  
Moderator
Tenured Member 20 Years
iTrader: (3)
 
j9fd3s's Avatar
 
Join Date: Mar 2001
Location: https://www2.mazda.com/en/100th/
Posts: 31,130
Received 2,792 Likes on 1,977 Posts
i've lost oil and had the engine live to tell about it. if its locked up though, i think you're done
Old 08-27-10, 11:56 AM
  #6  
its supposed to do that

 
flight_of_pain's Avatar
 
Join Date: Jan 2003
Location: PNW
Posts: 1,352
Likes: 0
Received 2 Likes on 2 Posts
I would also say a rebuild is in order, but for our morbid curiosity's sake, throw a socket on the front pulley, pour a little oil in the carb bores(take the plugs out too), and rock it back and forth.
Old 08-27-10, 02:57 PM
  #7  
1st-Class Engine Janitor

iTrader: (15)
 
DivinDriver's Avatar
 
Join Date: Jun 2008
Location: Chino Hills, CA
Posts: 8,376
Received 28 Likes on 26 Posts
Even if locked up, they're sometimes recoverable without horrific expenditure depending on what failed; you'll still likely be looking at a rebuild, but if you (for example) spun and jammed a main bearing, that 's not nearly as costly to fix as having blown and chopped a rotor seal.

However it turns out, good luck.
Old 08-27-10, 03:14 PM
  #8  
Lapping = Fapping

iTrader: (13)
 
Jeff20B's Avatar
 
Join Date: Aug 2001
Location: Near Seattle
Posts: 15,725
Received 83 Likes on 76 Posts
You spun a bearing. Quickie rebuild time.
Old 08-28-10, 10:53 AM
  #9  
Junior Member
Thread Starter
 
sandman315's Avatar
 
Join Date: Oct 2009
Location: Syracuse NY
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
well im going to pull the block now, this is my first rwd pull, wish me luck! lol
Old 08-28-10, 01:02 PM
  #10  
Almost not rotarded

iTrader: (6)
 
JoeNoble's Avatar
 
Join Date: Oct 2005
Location: Troy, Missouri
Posts: 961
Likes: 0
Received 0 Likes on 0 Posts
good luck man. i hope shes back on the road soon
Old 08-28-10, 01:32 PM
  #11  
Junior Member
Thread Starter
 
sandman315's Avatar
 
Join Date: Oct 2009
Location: Syracuse NY
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
well mmo was placed in the motor the night it happend (thursday night) and i finnaly got to pulling the radiator, so i could get a socket on the crank pully past that fan since i cant figure out a way to hold it to unbolt it, and the block is spinning, theres resistance still but ive been working it, now waiting, gonna go work it more, when i go to start it it spun for a second and my battery died. all this was with plugs out. so at this point im gonna continue working it untill my batterys charged and attempt a start, and if nothing happens ill pull the block and pull it apart. any suggestions?
Old 08-28-10, 03:36 PM
  #12  
Lives on the Forum
Tenured Member 20 Years
iTrader: (5)
 
84stock's Avatar
 
Join Date: Apr 2003
Location: calgary
Posts: 5,541
Likes: 0
Received 11 Likes on 6 Posts
It is gonna smoke like a bitch once started, so be ready for a quick trip on the highway. If it starts, take a good long hard drive on the highway and cross your fingers!!!
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
doritoloco
New Member RX-7 Technical
7
09-05-15 12:41 PM



Quick Reply: motor ruined?



All times are GMT -5. The time now is 08:00 AM.