LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

motor is locked up and will not spin

Thread Tools
 
Search this Thread
 
Old Aug 19, 2006 | 08:18 PM
  #1  
Ws6Envy's Avatar
Thread Starter
Registered User
 
Joined: Oct 2000
Posts: 460
From: orlando, fl
motor is locked up and will not spin **pics added

New 355 with 1000miles on it
was driving under 5mph in 1st gear when a noise similar to
the sound of trying to start your car while its already running (spline/gear whine)
motor shut off and will not start back

when key is turned the balancer moves, but then returns to its origional position, the clutch pedal is fine, the tranny goes into all gears without a problem

weird sounds from my abs controller (a clicking/clanking sound) when the key is in the run position.

any ideas?

Last edited by Ws6Envy; Aug 24, 2006 at 08:10 PM.
Old Aug 19, 2006 | 09:06 PM
  #2  
bmwmcars's Avatar
Registered User
 
Joined: Apr 2006
Posts: 129
Re: motor is locked up and will not spin

have you tried to remove all of the plugs? how about rotating it by hand?

could be hyrdolocked, pulling the plugs would help rule that out.
Old Aug 19, 2006 | 09:16 PM
  #3  
Dave89IROC's Avatar
Registered User
 
Joined: Aug 2002
Posts: 4,676
From: Melvindale, MI, US
Re: motor is locked up and will not spin

Originally Posted by bmwmcars
have you tried to remove all of the plugs? how about rotating it by hand?

could be hyrdolocked, pulling the plugs would help rule that out.
agreed, and pull the serp belt, I have seen siezed alts, p/s pumps and a/c compressors mimic a siezed engine
Old Aug 19, 2006 | 09:17 PM
  #4  
razor02097's Avatar
Registered User
 
Joined: Aug 2006
Posts: 922
Re: motor is locked up and will not spin

who put your motor together? Is there a new gear set in that engine?
Old Aug 19, 2006 | 09:35 PM
  #5  
Ws6Envy's Avatar
Thread Starter
Registered User
 
Joined: Oct 2000
Posts: 460
From: orlando, fl
Re: motor is locked up and will not spin

belt is off, same result. its a new gm timing set.
Old Aug 19, 2006 | 09:49 PM
  #6  
Formula305fi's Avatar
Registered User
 
Joined: Jan 2004
Posts: 250
From: South Beach & Horlando
Re: motor is locked up and will not spin

dam rob u just cant get a break with your car. did u end up going with the 224/236 cam???
Old Aug 19, 2006 | 10:01 PM
  #7  
razor02097's Avatar
Registered User
 
Joined: Aug 2006
Posts: 922
Re: motor is locked up and will not spin

Originally Posted by Ws6Envy
belt is off, same result. its a new gm timing set.
provided the timing set didn't break move on to the fly wheel. Does the starter work at all? If not the abendix may have caught and broke off wedging the flywheel to the bell housing... Don't ask how I know this
Old Aug 19, 2006 | 10:26 PM
  #8  
SS RRR's Avatar
Registered User
 
Joined: Oct 1998
Posts: 3,144
From: Jackstandican
Re: motor is locked up and will not spin

It's time to pull the heads. Generally a seized engine is not good at all.
Old Aug 20, 2006 | 01:57 AM
  #9  
95custom's Avatar
Registered User
 
Joined: Jul 2006
Posts: 120
From: Northern IL
Re: motor is locked up and will not spin

I dont think your motor was properly lubricated every part you put in..
Old Aug 20, 2006 | 02:29 AM
  #10  
oneslowz28's Avatar
Registered User
 
Joined: Jan 2005
Posts: 1,139
From: Aiken, Sc
Re: motor is locked up and will not spin

sounds like whoever assembled it used motor oil instead of assembly lube. my friend just had this happen to his fully built carb 350 that cost 4k. the builder uses motor oil instead of assembly lube and right around 1000 miles one of the pistons exploded and we noticed that all of the berings (rod and main) were chewed to peices. and the rod from where the piston exploded had almost no berring at all was left. when we contacted the builder he claimed to have no responsibility for the problems and when i called back and acted like a intrested customer i asked what he used for assembly lube and he said that all of his builds use motor oil for assembly lube. well thats all fine if you plan to start the engiine 30 min after its built but if it takes 3-44 weeks like it did him then all of that oil has seeped back out and left nothing but metal to metal contact
Old Aug 20, 2006 | 08:59 AM
  #11  
Ws6Envy's Avatar
Thread Starter
Registered User
 
Joined: Oct 2000
Posts: 460
From: orlando, fl
Re: motor is locked up and will not spin

assembely lube was used for certain.

the starter is off the car right now and still will not manually turn
Old Aug 20, 2006 | 12:45 PM
  #12  
philcam01's Avatar
Banned
 
Joined: Jun 2002
Posts: 371
From: ocala fl
Re: motor is locked up and will not spin

Originally Posted by oneslowz28
sounds like whoever assembled it used motor oil instead of assembly lube. my friend just had this happen to his fully built carb 350 that cost 4k. the builder uses motor oil instead of assembly lube and right around 1000 miles one of the pistons exploded and we noticed that all of the berings (rod and main) were chewed to peices. and the rod from where the piston exploded had almost no berring at all was left. when we contacted the builder he claimed to have no responsibility for the problems and when i called back and acted like a intrested customer i asked what he used for assembly lube and he said that all of his builds use motor oil for assembly lube. well thats all fine if you plan to start the engiine 30 min after its built but if it takes 3-44 weeks like it did him then all of that oil has seeped back out and left nothing but metal to metal contact


I've always sed motor oil to assemble all of my engines, never had a problem. Most of them dont get started 30 min later either. Let alone the fact if the engine had a oiling problem the thing would not of made it 1000 miles. Now if the clearences were not right that would explain the chewed up bearings.
Old Aug 20, 2006 | 01:24 PM
  #13  
bmwmcars's Avatar
Registered User
 
Joined: Apr 2006
Posts: 129
Re: motor is locked up and will not spin

Originally Posted by Ws6Envy
assembely lube was used for certain.

the starter is off the car right now and still will not manually turn
have you pulled the plugs yet? you need to sort out if its hyrdolocked or not.
Old Aug 20, 2006 | 01:28 PM
  #14  
klrz28's Avatar
Registered User
 
Joined: Aug 2003
Posts: 328
Lightbulb Re: motor is locked up and will not spin

pull the plugs man! what you waitin for ?
Old Aug 20, 2006 | 01:53 PM
  #15  
SS RRR's Avatar
Registered User
 
Joined: Oct 1998
Posts: 3,144
From: Jackstandican
Re: motor is locked up and will not spin

Originally Posted by bmwmcars
have you pulled the plugs yet? you need to sort out if its hyrdolocked or not.

hydrolocked from what?



All times are GMT -5. The time now is 07:24 PM.