differential fluid and tool
Thread Starter
Instructor
Joined: Jan 2010
Posts: 196
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From: Bardstown KY
differential fluid and tool
hi guys, I want to change the flid in my differencial. The Corvet is a 98. I'm not sure if anyone ever did that. I ordered AMSoil Sever Gear 75-90W. What kind of tool do I need for the screw on the differencial. The second and most important question: I want to change the fluid in my automatic transmition BUT I don't think that after 130,000 miles it is a smart idea to flush all of the oil. I decided to just exchange what is in the bucket (1 gallon) and I ordered 1 gallon of AMSoil Tork Drive BUT I don't know how good of an idea that is because in the transmition 1 gallor of original oil will stay and I will, in this case, mix it with the AMSoil (tork drive). How good of an idea is that, or do I need to go with the original oil from GM and with that slip adative (how much).
Thanks to everyone who responds on my post.
Tony
Thanks to everyone who responds on my post.
Tony
Racer
Joined: Apr 2007
Posts: 443
Likes: 0
From: Niagara Region
hi guys, I want to change the flid in my differencial. The Corvet is a 98. I'm not sure if anyone ever did that. I ordered AMSoil Sever Gear 75-90W. What kind of tool do I need for the screw on the differencial. The second and most important question: I want to change the fluid in my automatic transmition BUT I don't think that after 130,000 miles it is a smart idea to flush all of the oil. I decided to just exchange what is in the bucket (1 gallon) and I ordered 1 gallon of AMSoil Tork Drive BUT I don't know how good of an idea that is because in the transmition 1 gallor of original oil will stay and I will, in this case, mix it with the AMSoil (tork drive). How good of an idea is that, or do I need to go with the original oil from GM and with that slip adative (how much).
Thanks to everyone who responds on my post.
Tony
Thanks to everyone who responds on my post.
Tony
GM Dex 6 for the transmission
No special tools needed
Instructor
Joined: Apr 2010
Posts: 165
Likes: 7
From: Newmarket
4 oz is whats needed for the diff. The tool you need to remove the bolt is like a hexagon... I might be wrong but it looks like a giant allen wrench. I used almost 3 24 oz gm diff oil when i did mine along with the 4 oz slip additive. You will need a hand pump to get the oil in there or it might be a pain. The transmission filter and fluid is really easy to do also. You must have the hand pump to get the fluid in there. When you do the trans make sure you get about 3-5 12 oz bottles in there then turn the car on and leave it in park and fill it up until it leaks out the drain whole. Make sure the trans temp is at least 80 degrees when its almost full or else you will overfill it (if you get it to hot it will underfill, I think 180 degrees is the max temp for filling)
Last edited by LuCkYSe7eN11; Sep 10, 2010 at 09:49 PM.
Instructor
Joined: Apr 2010
Posts: 165
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From: Newmarket
Changing your transmission fluid and filter shouldnt cause any problems as long as its dex III. The flush is what messes up transmissions. Make sure you get a deep sump filter ALL corvettes have it and alot of stores will offer the non deep sump for corvettes which is wrong. I installed the wrong one in mine and found out later that all were deep sump. Do not buy the deep sump filter with the metal looking bottom. Its heavier and puts alot of weight on the part that holds the filter into the tranny. If you have excess metal shavings in your pan cut your old filter open and check for metal... if you have some I would start saving for a tranny because it will probably go out soon.
Instructor
Joined: Apr 2010
Posts: 165
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From: Newmarket
Almost forget when you do your tranny make sure you cycle through the gears for about 3 minutes and retop off the fluid until it leaks out again. I just drove for a few days and then put my car back on a lift and topped it off.
Thread Starter
Instructor
Joined: Jan 2010
Posts: 196
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From: Bardstown KY
Please, if you can, tell me this: I don't want to flush all of the transmition fluid, I just want to take out what is already in the pan (its probably about a gallon or so). But, when you mention the raising of your car, how can I do that with my ordinary jack? Last night I put my jack in the place where its supposed to be (under the right door) and the frame started to bend a little but. I put my car down and didnt try to keep going with that. What is the best idea?Thanks,
Tony
Instructor
Joined: Apr 2010
Posts: 165
Likes: 7
From: Newmarket
You jack the front up on the round holes near the engine (look in your manual it shows pics). If you could rent a lift it would make everything alot easier. If you live near a military base or have any friends in the service go to the hobby shop on base its $5 an hour for lift and tools. I wouldnt do the trans on jacks. The diff you should be fine because you dont have to have the car running.
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Thread Starter
Instructor
Joined: Jan 2010
Posts: 196
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From: Bardstown KY
P.S. While were still on the subject of transmition, I have a problem with the shifting button: When I am in parking and I want to drive or reverse...etc. I need to push my brake several times before the **** goes down and allows me to shift. I took apart the upper part of the **** and it looks okay. It looks like the problem is in the mechanism under. Why do I need to push the brake multiple times before I can finally shift it. Please help. Thanks
Instructor
Joined: Apr 2010
Posts: 165
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From: Newmarket
I am not sure about the shifting problem. The fluid you cannot change without take the pan off which exposes the filter. It pulls right out (very very easy). The filter is very easy to get to and all filters come with the gasket. Do not buy the filter with the metal bottom its heavier then the plastic acdelco and puts stress on the part that plugs into the upper tranny. Make sure you get the deep sump filter also all corvettes have it and some companies are stupid. There is only 1 hole on the trans pan and thats the fill plug take it out and let any fluid drain out before you take off the pan so you dont make as much of a mess.
Thread Starter
Instructor
Joined: Jan 2010
Posts: 196
Likes: 0
From: Bardstown KY
I am not sure about the shifting problem. The fluid you cannot change without take the pan off which exposes the filter. It pulls right out (very very easy). The filter is very easy to get to and all filters come with the gasket. Do not buy the filter with the metal bottom its heavier then the plastic acdelco and puts stress on the part that plugs into the upper tranny. Make sure you get the deep sump filter also all corvettes have it and some companies are stupid. There is only 1 hole on the trans pan and thats the fill plug take it out and let any fluid drain out before you take off the pan so you dont make as much of a mess.
Thread Starter
Instructor
Joined: Jan 2010
Posts: 196
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From: Bardstown KY
I found some filters, not sure which one to buy $14... 18....35...???????????? , and from who. Please help my with that.
Last edited by tony123; Sep 12, 2010 at 01:57 AM.
Instructor
Joined: Apr 2010
Posts: 165
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From: Newmarket
ACDelco deep sump filter. It is the same one you will pull out and it should be tan colored. I think they are in the $30-45 range.
Pro
Joined: Nov 2009
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From: burke va
ok my friend, do I need to take apart the transmition because of the filter, and when im putting the transmition parts together do I need some gasket or what? Thanks you so much.
P.S. While were still on the subject of transmition, I have a problem with the shifting button: When I am in parking and I want to drive or reverse...etc. I need to push my brake several times before the **** goes down and allows me to shift. I took apart the upper part of the **** and it looks okay. It looks like the problem is in the mechanism under. Why do I need to push the brake multiple times before I can finally shift it. Please help. Thanks
P.S. While were still on the subject of transmition, I have a problem with the shifting button: When I am in parking and I want to drive or reverse...etc. I need to push my brake several times before the **** goes down and allows me to shift. I took apart the upper part of the **** and it looks okay. It looks like the problem is in the mechanism under. Why do I need to push the brake multiple times before I can finally shift it. Please help. Thanks
