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Print in friendly format Send this term to a friend  Dana 36
This references the rear differential.

The Dana 36 was the smaller unit. It was used on all 1984 Corvettes, and all automatic Corvettes thru 1996...
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BrianCunningham Re: Troubleshooting...IT'S ALIVE!!!!!!!
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glad to read!

with just ONE cat gutted, I'm sure the calibration is off.
That may explain a few things.

BTW I have an LT4 knock sensor module in my OBDI '95
Of course '95's are a bit of an oddball it's really an OBDII running OBDI
Posted on: 2013/1/23 17:48
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Me too, Brian!

So... the idle is still high. I think I need to relearn the IAC.

Does anyone have their manual handy? I don't remember the procedure...
Posted on: 2013/1/23 22:26
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1Fast04Vert Re: Troubleshooting...IT'S ALIVE!!!!!!!
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IAC relearn = Turn ignition on but do not start for 10 seconds, then start it. That should do it.

Since the cat is gutted but the emissions is still active you can expect stink at start up. Not sure what after it goes into closed loop.
Posted on: 2013/1/23 23:05
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
Grand Imperial Pooh-Bah
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the stink is simply the smell of all the crap burning off... cleaners, oils... that gick.

Thanks for the relearn instructions!
Posted on: 2013/1/23 23:13
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jonszr1 Re: Troubleshooting...IT'S ALIVE!!!!!!!
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another way to burp the cooling system is to raise the back of the car with a jack.. and fill it while warming it up. then just fill the over flow bottle all the way up and it will burp the rest of the way in a couple of driving cycles . its the only way i can get my zr1 done right .
Posted on: 2013/1/24 3:08
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i have a blast playing with my 4 babies 2 zr1s and 2 mustangs 68 coupe with a jon bennit 408 art car fully rollered c4 with a gearvendors over drive .88 mustang built by my kids with a ported lt5 and a bill boudreau blue printed zf 6 spd. with these 4 ...
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jonszr1 Re: Troubleshooting...IT'S ALIVE!!!!!!!
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also a great way to find a vacuum leak is to get a small propane bottle and attach a 5/16 rubber hose to it and run it around where you think you might have a leak . where there is a leak the rpms will rise a bunch . glad to see you have got her back on the road .
Posted on: 2013/1/24 3:11
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i have a blast playing with my 4 babies 2 zr1s and 2 mustangs 68 coupe with a jon bennit 408 art car fully rollered c4 with a gearvendors over drive .88 mustang built by my kids with a ported lt5 and a bill boudreau blue printed zf 6 spd. with these 4 ...
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EngineDoctor Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Maybe I'm jus gettin old....BUT this is how I fill the cooling system after it is breached.
I remove the thermostat housing & top it off, fill radiator, then resevoir.
Posted on: 2013/1/24 3:26
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
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oh... gee... the 1991-96 Vette does NOT have a radiator cap. It has a surge tank where you fill it.

These do have burp screws, I just haven't had it hot enough to fill the rad, until tonight for sure. All it did was peak at 230 and stay there in traffic... as soon as I started moving, and the fans kicked in, it dropped quickly.

As for driving, I suspect the imbalanced cats are the biggest problem. I won't go fishing until the new ones are welded in (Saturday morning).

@Brad - thanks for the pointer on the vacuum leak... a can of carb cleaner is almost as effective. I think the leak is around the PCV system... I need to clamp down the hose.

Over all, the car is running REAL nice. The new engine feels very strong and runs very smoothly.

I am also very impressed with the Amsoil trans oil. Very VERY nice shift feel. Excellent!!!

Posted on: 2013/1/24 3:58
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EngineDoctor Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Andy, you dont have a thermostat housing ?
Posted on: 2013/1/24 4:12
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rklessdriver Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Quote:

EngineDoctor wrote:
Andy, you dont have a thermostat housing ?


It's a reverse cooled LT1, so the thermostat housing is on top of the water pump and once you remove it... you dump coolant all over the Opti Spark.

LTX's take a bit of time to bleed the cooling system completely because the coolant entry path/point (water pump) is so much lower than the cyl heads, which cool first.

Andy-
This is the proceedure I follow on LTX's:

Engine COLD.

1. Remove the cap from the surge tank and pack a few paper towles/rags under the thermostat housing.

2. Start the car.

3. Open the thermostat housing bleeder screw and let it vent as the engine warms up. Pay attention to the coolant stream as the thermostat opens... run engine with the bleeder open and add coolant to the surge tank as nessecary to keep it full.

Once you're pretty sure it's all bled out (steady stream of HOT coolant from the bleeder) close the bleeder, make sure the surge tank is full and put the cap on. Fill the over flow tank to the hot fill line and let it cycle the fan a few times before you go out on the road.

Should be good to go at that point but some are real SOB's, so you may need to repeat the proceedure again once it's cooled off.

Will
Posted on: 2013/1/24 14:09
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BillH Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Extra bleeder on the TB for 92-93.

After bleeding, I run off idle to 1,200 or so, this drops the level in the surge tank a bit and that's when I fill and cap it.

Also if changing/replacing coolant, open the bleeder(s) while you fill the system.
Posted on: 2013/1/24 14:53
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Oh, don't get me wrong... I know the process to burp an LTx...

The problem? Monday night, I was about ready for this to happen, when I woke up my neighbour... and I never got it finished!!!

So this week has been a bit of touch and go. But last night, when hot, I filled to overflow, hoping the cooling process would suck in some more coolant.

So far, no signs of hotspots, the head and waterpump temps are on target.

It ran a ton better today. Better idle, better running, no miss... just better!!!!

Posted on: 2013/1/24 16:35
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EngineDoctor Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Thanks for your reply Will! I didnt know the thermostat was down there by the waterpump, now I understand ;)
Posted on: 2013/1/24 21:29
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1Fast04Vert Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Quote:

EngineDoctor wrote:
Thanks for your reply Will! I didnt know the thermostat was down there by the waterpump, now I understand ;)


This might help -
Resized Image
Posted on: 2013/1/24 22:31
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BrianCunningham Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Resized Image
Posted on: 2013/1/24 22:36
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BrianCunningham Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Posted on: 2013/1/24 22:37
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BrianCunningham Re: Troubleshooting...IT'S ALIVE!!!!!!!
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not just the location, but the thermostat is different as well

Attach file:



jpg  tstat.jpg (0.00 KB)

Posted on: 2013/1/24 22:40
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
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yea... in another 10 years, we will be paying out the ass for one of these damned t-stats!!!
Posted on: 2013/1/24 23:02
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donhall Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Quote:

bogus wrote:
yea... in another 10 years, we will be paying out the ass for one of these damned t-stats!!!


Thanks, Andy.............. ordered a spare tonite.
Posted on: 2013/1/25 3:30
Edited by donhall on 2013/1/25 3:59:26
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Buy a 6-pack

Well... day three and the car is running better and better each day!!

the plugs and injectors are both clean again... just need to get some gas now.
Posted on: 2013/1/25 23:48
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jonszr1 Re: Troubleshooting...IT'S ALIVE!!!!!!!
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thats great , you deserve it . you have worked so hard and even kept a good attitude.no way i could have . i have a broken big toe that just points cuz i kicked a 71trans am when i was younger .dont need a dog when i go hunting .jk
Posted on: 2013/1/27 1:54
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i have a blast playing with my 4 babies 2 zr1s and 2 mustangs 68 coupe with a jon bennit 408 art car fully rollered c4 with a gearvendors over drive .88 mustang built by my kids with a ported lt5 and a bill boudreau blue printed zf 6 spd. with these 4 ...
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j3studio Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Quote:

bogus wrote:
Yea ... in another 10 years, we will be paying out the ass for one of these damned t-stats!!!




Welcome to my world ...
Posted on: 2013/1/27 2:08
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BillH Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Quote:

j3studio wrote:
Quote:

bogus wrote:
Yea ... in another 10 years, we will be paying out the ass for one of these damned t-stats!!!




Welcome to my world ...


Ha, try buyin' C2 parts..................
Posted on: 2013/1/27 3:09
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
Grand Imperial Pooh-Bah
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yea? why? You can whittle pieces for a C2 out of wood...
Posted on: 2013/1/27 5:38
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BillH Re: Troubleshooting...IT'S ALIVE!!!!!!!
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FOR SALE: 1992 Serpentine Belt System (Very, VERY Rare). 2 tensioners, 2 belts, idler. p/s pully.

 

ONLY $ 5,000.00      Smilie

 

Please make your check payable to: Reverend Stig

Posted on: 2013/1/27 14:34
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Screw that. I updated to the later singled sided belt some 10 years ago.

When I found out that my local Chevy parts counter manager didn't know that the 92 Vette had a double side serp belt, and that NAPA and Advance Auto didn't stock one, I had to do something quick... because I was heading to FL soon... One call to Jeff Kopp and I had all the parts I needed to convert... I needed tensioner and idler anyway, the only other part I needed was the PS pulley...

Posted on: 2013/1/27 17:39
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BillH Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Quote:

bogus wrote:
Screw that. I updated to the later singled sided belt some 10 years ago.


That's why I have an extra 2 sided setup.
Posted on: 2013/1/27 17:50
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
Grand Imperial Pooh-Bah
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Why do that?? Just convert.
Posted on: 2013/1/27 18:50
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bogus Re: Troubleshooting...IT'S ALIVE!!!!!!!
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Ok... minor update.

The Vette has been running great for last 2+ weeks. No problems to speak of.

Had a small issue with an injector o-ring... started leaking fuel... replaced that.

Today, I did a bunch of little things:

** reinstalled the left gill
** Installed the right gill

I got new hardware to screw them on with. Much nicer...

** replaced the oil pressure sensor... it now reads 60 psi at start, instead of staying at 130 or something.

Also, reattached the connector that goes on the master cylinder that activates ABS... it had fallen off at some point.

As a side note, took the suburban through the car wash and programmed the remotes.

Also tidied up the garage.
Posted on: 2013/2/17 1:18
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