Search: Posts Made By: 89GTASC
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02-19-2024, 12:56 PM
Replies: 16
Views: 23,584
Posted By 89GTASC

Re: EST bypass connector location??

2009 photo helping me in 2024 15 yrs later, thank very much!
02-17-2024, 02:34 PM
Replies: 4
Views: 197
Posted By 89GTASC

Re: 89 GTA 5.7TPI auto : supercharger belt whine sound?

mmm yeah something to do w/the transmission for sure. if I had to guess its the torque converter making a whine sound. It doesn't bother me, I sorta like the sound, and its been making that sound for...
02-16-2024, 03:15 PM
Replies: 4
Views: 197
Posted By 89GTASC

Re: 89 GTA 5.7TPI auto : supercharger belt whine sound?

I don't hear it in park or neutral, and think sound is coming from the engine bay(could be wrong, sound could be maybe from transmission, but not the rear of the car). Just while its in gear even at...
02-16-2024, 06:30 AM
Replies: 4
Views: 197
Posted By 89GTASC

89 GTA 5.7TPI auto : supercharger belt whine sound?

For long time I thought it was my belt going bad and that it was making a supercharger type sound, but then we replaced it and it is still making the sound. And recently discovered the sound goes...
02-09-2024, 11:38 AM
Replies: 5
Views: 180
Posted By 89GTASC

Re: 89 GTA 5.7TPI: Torque Converter Lockup question; is it locking up too early?

Thanks. The supercharger like whine doesn't sound bad to me yet, I kinda like it, and its a whine that i've heard on the car for years now. I always thought it was the belt going bad but we replaced...
02-09-2024, 11:29 AM
Replies: 5
Views: 180
Posted By 89GTASC

Re: 89 GTA 5.7TPI: Torque Converter Lockup question; is it locking up too early?

Reason for my concern is i'm noticing a supercharger whine sound, and seems to be getting louder lately, and this whine sound goes away when TC lockup.
02-09-2024, 11:27 AM
Replies: 5
Views: 180
Posted By 89GTASC

Re: 89 GTA 5.7TPI: Torque Converter Lockup question; is it locking up too early?

yes i think this is when i'm noticing lock around 31mph, my gears are 3:27... so this sounds normal to you then?
02-09-2024, 11:18 AM
Replies: 5
Views: 180
Posted By 89GTASC

89 GTA 5.7TPI: Torque Converter Lockup question; is it locking up too early?

I'm not sure if my torque converter is locking up too early or not? It is waiting till 4th gear pretty sure, so that is good. But I've seen RPM's as low as near 1000 rpms at 30mph. Even sometimes...
Forum: TPI
02-03-2024, 05:56 AM
Replies: 9
Views: 322
Posted By 89GTASC

Re: 89GTA 5.7 TPI: Question on Driver side radiator fan turns on when key on; normal?

Me either lol. Not yet. Anyways I went looking for a loose spark plug wire and think I did find one that may not have been fully snapped on. I think it was the #3 or #5 cylinder. I drove car on ramps...
Forum: TPI
02-02-2024, 07:01 AM
Replies: 9
Views: 322
Posted By 89GTASC

Re: 89GTA 5.7 TPI: Question on Driver side radiator fan turns on when key on; normal?

The car does have a bypass toggle switch that will turn on the passenger side fan. Tuned Performance you mentioned one of the things is it could have a hidden bypass switch, well it does. If that...
Forum: TPI
02-01-2024, 05:22 PM
Replies: 9
Views: 322
Posted By 89GTASC

Re: 89GTA 5.7 TPI: Question on Driver side radiator fan turns on when key on; normal?

I want to add we removed the computer control box is what I think it's called, its sorta mounted where the glove box would be if it had one. There are alot of exposed wires in the area. But what you...
Forum: TPI
02-01-2024, 05:15 PM
Replies: 9
Views: 322
Posted By 89GTASC

Re: 89GTA 5.7 TPI: Question on Driver side radiator fan turns on when key on; normal?

Thank you for your answer Tuned Performance . We recently replaced the water heater core and the radiator fan coming on like that is something I am pretty sure it did not do that before. So thanks...
Forum: TPI
02-01-2024, 02:51 PM
Replies: 9
Views: 322
Posted By 89GTASC

89GTA 5.7 TPI: Question on Driver side radiator fan turns on when key on; normal?

Is the driver side radiator fan supposed to turn on when you turn your key to the ON position? Even without starting the car? Because mine is doing that, and I am thinking it's not supposed to?
01-21-2024, 01:15 PM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

I tried to do the brake test on the 2012 kia soul, and evidentally the TC lockup works differently on it cuz rpm's didn't rise when i applied the brake.
01-21-2024, 12:10 PM
Replies: 15
Views: 522
Posted By 89GTASC

Re: 89 Iroc 9 bolt borg Warner

i'm guessing you have the same 3:27 ratio that I do.. my gut instinct says if for some reason you had to rebuild yours or hunt for a new one, i'd venture to say you'd find a 10bolt 3:23 gear(if you...
01-21-2024, 12:05 PM
Replies: 15
Views: 522
Posted By 89GTASC

Re: 89 Iroc 9 bolt borg Warner

i'm not exactly sure if im glad i replaed the inside pig unit with another 9bolt.. reason why I did it cuz my limited slip wasn't working 100% of the time... like sometimes only 1 wheel would...
01-21-2024, 06:42 AM
Replies: 15
Views: 522
Posted By 89GTASC

Re: 89 Iroc 9 bolt borg Warner

i'm not real knowledgable about swapping rear ends, so it might be better to do that. in my case i wanted to keep the 3:27 gear and not mess with speedometer gear corrections etc.
Forum: TPI
01-20-2024, 04:30 PM
Replies: 32
Views: 947
Posted By 89GTASC

Re: 89 GTA cranks but won't start

Nice! The fuel injectors was indeed the same problem I had long time ago!
01-20-2024, 04:18 PM
Replies: 15
Views: 522
Posted By 89GTASC

Re: 89 Iroc 9 bolt borg Warner

I should share that 9bolt had to send me 2 9bolt "pig" whatever going int the middle of the 9bolt rear axle, becuase the 1st one they sent me was faulty. I had a professional performance shop install...
01-19-2024, 04:55 PM
Replies: 35
Views: 1,289,041
Posted By 89GTASC

Re: 1990 Camaro RS Modified

It took us awhile to figure out this problem.. roughly 9 months, the throttle valve in the transmission needed to be reworked with new springs etc. It was stuck.
Forum: Electronics
01-19-2024, 04:52 PM
Replies: 3
Views: 336
Posted By 89GTASC

Re: Temperature Gauge slowly stopped working 89GTA

Aye, we resolved this one, gosh darn it and I didn't follow up. All be darned the dang wire/connector got disconnected from the sendor. It took us awhile to figure out which temperature sendor went...
01-19-2024, 03:36 PM
Replies: 15
Views: 522
Posted By 89GTASC

Re: 89 Iroc 9 bolt borg Warner

I had the 9bolt posi unit replaced in my 9bolt 3:27 gear rear axle some 15yrs ago, got the part from australia, not sure if their website still exists or not 9bolt.com I believe it was. But this...
01-19-2024, 03:25 PM
Replies: 16
Views: 771
Posted By 89GTASC

Re: 700R4 Rebuild

Good question! I bought mine in 2001 with 145k miles, transmission got rebuilt at 175k miles for a total of about $900. It was a friend of a friend who was good at working on cars, he charged me...
01-19-2024, 03:15 PM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

I do have alot more question's lol but perhaps a new thread for each subject. I'm very greatful for this website as it helped me 11 years ago figure out that the problem I was having was my fuel...
01-19-2024, 03:07 PM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

For some reason this website does not want to let me copy & paste(today?), what is the deal w/that?!?! Anyways.. apparently... my TC LOCKUP WORKS!!! I got up to speed around 40mph where I felt my tc...
01-19-2024, 02:11 PM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

DynoDave43 Thanks! I will try that next time! skinny z Roger on the manual switch but hope that won't be needed. In some ways just giving it a little gas at 30,35,40ish mph it sorta feels correct to...
01-19-2024, 07:00 AM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

I do want to also note when my GTA transmission started acting up 9 months ago, that the first thing that stopped worked was the TC lockup. It had a day or 2 of it not staying engaged or seemed to be...
01-19-2024, 06:53 AM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

skinny z What you said in a earlier post sounded right on to me(on your 1st post here), like that was or is how mine should be wired. I used to be able to tell the TC lockup happening very clearly...
01-19-2024, 06:25 AM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

Oh gosh I really don't know. My dad did the replacing of the TC Solonoid and 4th gear pressure switch. We noted I didn't have a 1st 2nd or 3rd gear pressure switches that some do. Just noted my 4th...
01-18-2024, 03:06 PM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

It sucked not having 4th gear, in 3rd gear on the interstate max speed i felt I could go crusing wise was about 65mph and it would be near 3000 rpms. And I didn't drive it alot like this. It pretty...
01-18-2024, 03:02 PM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

I took a video to capture the speed & rpm's on the interstate. I don't recall what it should be, but now at 80mph it was right around 2500 rpm's. It has the 9bolt 3:27 rear gear ratio. I also noted...
01-18-2024, 02:56 PM
Replies: 16
Views: 396
Posted By 89GTASC

Re: 89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup questi

Thanks for your reply skinny z . I took it out for a test drive today. I honestly can't say for sure whether the TC lockup is working or not. Before I could tell rather easily when it went into...
01-18-2024, 07:33 AM
Replies: 16
Views: 396
Posted By 89GTASC

89 TransAm GTA 5.7 700R4 Not shifting until 4000 rpms resolved / TC lockup question

Hi all,
It took us 9 months to figure out why my car would not shift into 4th gear anymore, and it was having a problem with it not shifting until 4000 rpm's which is high. Thought I'd share what...
01-18-2024, 07:25 AM
Replies: 11
Views: 2,205
Posted By 89GTASC

Re: 89 T/A, 700R4 won't shift till 2500 when cold

We found our problem and it not shifting until late around 4000 rpms.. It ended up being the transmission throttle valve. And ended up having a transmission shop fix the issue. The throttle valve was...
06-05-2023, 01:08 PM
Replies: 35
Views: 1,289,041
Posted By 89GTASC

Re: 1990 Camaro RS Modified

No warmer weather didn't help. I have been driving it with 3 gears. first thing to go I guess was the torque converter lockup, and now it won't go into 4th. Do wonder if this could be the torque...
03-21-2023, 10:02 AM
Replies: 17
Views: 2,711
Posted By 89GTASC

Re: Replaced Fuel Pump in 89 GTA (the easy way)

I understand that. But I am ok with it. I definitely don't foresee myself ever selling my car or anything. Especially those cars where you want to keep it as original as possible. But this car isn't...
03-21-2023, 08:38 AM
Replies: 17
Views: 2,711
Posted By 89GTASC

Replaced Fuel Pump in 89 GTA (the easy way)

My fuel pump died, luckily it let me get it back home. Anyways we searched on youtube for how to replace the fuel pump, and did you know if you do it by the book, its like 4.5 hours profession...
Forum: Electronics
03-21-2023, 08:22 AM
Replies: 3
Views: 336
Posted By 89GTASC

Re: Temperature Gauge slowly stopped working 89GTA

I'll update if we are able to figure this out ourselves. It very well could be a loose wire.
Forum: Electronics
03-21-2023, 08:13 AM
Replies: 3
Views: 336
Posted By 89GTASC

Temperature Gauge slowly stopped working 89GTA

Anybody ever fix their factory engine temperature gauge stopped working? I remember trying to mess with some wire that I think went to a temperature sending unit and notice I was messing things up...
03-21-2023, 08:04 AM
Replies: 11
Views: 2,205
Posted By 89GTASC

Re: 89 T/A, 700R4 won't shift till 2500 when cold

I should stay on topic with the tranmission shift issue, but just want to say my 89TA had another problem show up and we had to install a new fuel pump to fix it, so I guess that is partially why...
03-21-2023, 07:56 AM
Replies: 11
Views: 2,205
Posted By 89GTASC

Re: 89 T/A, 700R4 won't shift till 2500 when cold

I remember adjusting that throttle cable long time ago maybe 10 yrs, and don't remember how I did it. I was messing with the distributor cap to set the timing, and then I remember adjusting that...
Forum: TPI
02-10-2023, 01:48 PM
Replies: 54
Views: 9,046
Posted By 89GTASC

Re: Do ECU's ever go bad in these cars?

Thanks ASE doc & Tuned Performance it's 11 years later, and figuring out my faulty injectors was a big major break through with me being able to keep the car! It's been awhile since I been back here,...
02-10-2023, 01:46 PM
Replies: 35
Views: 1,289,041
Posted By 89GTASC

Re: 1990 Camaro RS Modified

Thanks ASE doc & Tuned Performance it's 11 years later, and figuring out my faulty injectors was a big major break through with me being able to keep the car! It's been awhile since I been back...
02-10-2023, 01:25 PM
Replies: 11
Views: 2,205
Posted By 89GTASC

Re: 89 T/A, 700R4 won't shift till 2500 when cold

I am having a similar issue but little worse, when its cold it shifts from 1-2 at near 4000 rpms, and then after awhile of driving it'll start to shift earlier. Yeah I guess I let the car sit too...
Forum: TPI
11-11-2015, 06:54 PM
Replies: 3
Views: 516
Posted By 89GTASC

Re: temp gauge reads 10 degrees cooler than usual and engine startup rpm changed

all i did yesterday was trace the wire and it goes over the engine near firewall and is 1 of the wires going into some relay thingy on driverside firewall. there was a bunch of dirt and leaves under...
Forum: TPI
11-11-2015, 06:21 AM
Replies: 3
Views: 516
Posted By 89GTASC

temp gauge reads 10 degrees cooler than usual and engine startup rpm changed

we replaced a bad spark plug wire on 5.7 tpi rear passenger side #8 cylinder i think. we had to go under the car to connect it to the engine. its the one farthest back near exhaust passenger side....
08-24-2014, 10:14 AM
Replies: 2
Views: 321
Posted By 89GTASC

A/C seems to only work when you give it accelleration throttle?

Any idea's as to why the A/C only wants to kick on when you give it accelleration seemingly?
We topped of the A/C freon couple months ago. And when it kicks on it blows cold. But for some reason...
02-27-2013, 09:00 AM
Replies: 68
Views: 13,734
Posted By 89GTASC

Re: Test drove 2013 Mustang 5.0 & Camaro SS Automatic and was dissappointed? Question

i recently got to test drive the mustang 5.0
auto again 2011. this time turned off TC by holding down tc button for close to 10 seconds. it did "better" but u can tell factory tuning doesnt allow...
01-14-2013, 02:24 PM
Replies: 68
Views: 13,734
Posted By 89GTASC

Re: Test drove 2013 Mustang 5.0 & Camaro SS Automatic and was dissappointed? Question

Be careful about getting rid of your 3rd gen. i dont think im ever getting rid of mine. and very glad i did not(came close)
and i saw the new interior yesterday and from the outside lookn in thought...
01-14-2013, 01:57 PM
Replies: 68
Views: 13,734
Posted By 89GTASC

Re: Test drove 2013 Mustang 5.0 & Camaro SS Automatic and was dissappointed? Question

ahh. if u get a chance testdrive the new one and let me know your thoughts.
i havent driven one yet but in 2013 they upped the hp up to 274hp up from 210 previously and the 3.8 increased about 50hp...
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