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

Oil leak (Question about water pump)

Thread Tools
 
Search this Thread
 
Old Dec 29, 2010 | 06:40 AM
  #1  
Rumblebee420's Avatar
Thread Starter
Registered User
 
Joined: Dec 2010
Posts: 3
Oil leak (Question about water pump)

Hey everyone,

I have a 93 LT1 and i just started to get an oil leak that's now dripping onto the belt and driving me crazy.

After spraying her down i'm almost positive that its leaking out of the front plate of my water pump which is dripping downward.

I do not think that it is the rear seal but only the front.

I am not too familiar with the water pumps with shafts but was wandering if i were to remove this front plate, will the antifreeze drain out or can i reseal this plate without having to deal with flushing my coolant?

Also concerned if the water pump is still good. I was told the weep hole leaking means the pump is done, but i am unsure since it is oil coming out.


Thanks,
Mark

Last edited by Rumblebee420; Dec 29, 2010 at 06:59 AM.
Old Dec 29, 2010 | 07:34 AM
  #2  
bw_hunter's Avatar
Registered User
 
Joined: Jul 2002
Posts: 1,942
From: Kissimmee, Fl, USA
Re: Oil leak (Question about water pump)

Mark, there is no oil behind that front plate, just the pump impellor, which is immersed in coolant. Oil is isolated from the pump by the shaft with seals. If oil is dripping from the pump, it is coming from the oil seal in the timing cover and wicking its' way down to the bottom. Even if the seal fails at the back of the pump it won't get oil inside.

To actually answer your question, you cam remove the pump cover and reseal it afterward. You will lose significant coolant and will have to refill and bleed air from the system.
Old Dec 29, 2010 | 07:55 AM
  #3  
Rumblebee420's Avatar
Thread Starter
Registered User
 
Joined: Dec 2010
Posts: 3
Re: Oil leak (Question about water pump)

Alrighty thanks.

I will have to clean it better and take a second look to see where the oil is coming from.

Glad I asked
Old Dec 29, 2010 | 08:15 AM
  #4  
97Z28Muscle's Avatar
Registered User
 
Joined: Oct 2010
Posts: 176
From: Arizona
Re: Oil leak (Question about water pump)

Make sure your PCV valve is working properly. Mine got a kinked hose and was forcing oil out that seal, making me think the seal was bad. Fixed the PCV valve hose and everything is back to normal.
Old Dec 29, 2010 | 12:15 PM
  #5  
Rumblebee420's Avatar
Thread Starter
Registered User
 
Joined: Dec 2010
Posts: 3
Re: Oil leak (Question about water pump)

I checked PCV all lines are fine. Would a bad oil pressure switch cause this? because ive been driving it for a week or so with a bad switch.
Old Dec 29, 2010 | 12:33 PM
  #6  
bw_hunter's Avatar
Registered User
 
Joined: Jul 2002
Posts: 1,942
From: Kissimmee, Fl, USA
Re: Oil leak (Question about water pump)

They're not related. The opil pressure sensor is located above the oil filter on the side of the block on '93 cars. It does nothing but sense oil pressure...all it can do is work or not..it can't cause leaks somewhere else on the engine...
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
HectorM52
Parts For Sale
26
Jul 30, 2017 11:46 AM
artic94
LT1 Based Engine Tech
15
Jan 17, 2015 11:19 AM
94Z28LS1toLT1
LT1 Based Engine Tech
7
Jan 15, 2015 07:18 PM
Queens94z28
Parts For Sale
3
Dec 20, 2014 09:11 PM
pologreen97z
LT1 Based Engine Tech
0
Dec 2, 2014 10:42 AM




All times are GMT -5. The time now is 12:39 PM.