Question about 1989 Chevrolet Cavalier

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DoI have to pull the transmission to change the tcc solenoid on my 1989 chevy cavelier

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No, it is inside the trans pan

Posted on Apr 13, 2009


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My 2004 chevy suburban is giving a code po740 and po743. I'm Redington that it may be the torque converter clutch circuit. Any thoughts? How difficult would it be to replace myself?

Not hard. If you have to do it on the ground, it is messy. You have to drop the transmission pan. Buy an internal harness, it comes the the TCC solenoid attached. On the passenger side remove the heat shield. Unplug the transmission control plug. Drop the pan, start at the back and work your way around both side. It will start leaking. Slowly remove the front 3 bolts, let the pan drain. don't remove them completely. At a point, push the pan back up and hold it, remove the last bolts, then dump the rest of the fluid. Remove the filter. Under the transmission control plug, there is a solenoid to remove to get it out. Remove the plug and a 8 mm bolt has to come off with a clip, then pull the solenoid out( don't loose them). Look at the harness and see how it is laid out. The TCC solenoid is in front. You have to remove another solenoid to get it out. It is held in with a clip. Look, you see it. Do not loose this clip. Reach up in the slot and pull the clip out( small screwdriver or pick), pull that solenoid out and remove the bolts holding the TCC solenoid. Pull the TCC solenoid out. Reinstall in the reverse order. This sounds like a lot of work. I do them in about 30 minutes on a lift.

May 02, 2016 | Cars & Trucks

1 Answer

How do I clear the code1860 on my Chevy venture 3.4 so it will pass smog

Replace the TCC solenoid in the transmission !
Ignition voltage is provided to the torque converter clutch pulse width modulation (TCC PWM) solenoid valve. The PCM controls the solenoid with a negative duty cycle in order to control application and release of the TCC. When the solenoid is commanded OFF, the PCM senses high voltage.When the solenoid is commanded ON, the PCM senses low voltage.
DTC P1860 sets if the PCM detects a voltage that is outside of the calibration limits. DTC P1860 is a type B DTC .
Do you know what the TCC is ?

Sep 03, 2015 | Cars & Trucks

1 Answer


You don't have to pull it to replace the TCC. Remove the pan and you can access the TCC solenoid. 40b12bb6-08f8-4f1c-b959-9bfe6f7b08fb.gif

Aug 06, 2014 | 1996 Chevrolet Monte Carlo

1 Answer

What does the TCC code mean for chevy s10

The Torque Converter Clutch (TCC) solenoid valve is an electrical device that is used with the torque converter clutch pulse width modulation (TCC PWM) solenoid valve in order to control TCC apply and release. The TCC solenoid valve attaches to the transmission case assembly extending into the pump cover. The Powertrain Control Module (PCM) controls the solenoid by providing the ground path. The PCM monitors the throttle position (TP) voltage, the vehicle speed and other inputs in order to determine when to energize the TCC solenoid valve.

replace the relay.....its common for it to go out.

Jun 29, 2014 | 1997 Chevrolet S-10 Pickup

1 Answer

TCC switch isnt working correctly how do i fix that problem

the tcc is a control solenoid in the transmission which engages the torque converter lock up, pull the pan to test it if its good the torque converter will need to be replaced

Sep 03, 2013 | 1989 Buick LeSabre

2 Answers

Where is the Torque Converter clutch solenoid located on a 2005 Chevy Cavalier Auto Transmission?

Actually, the Torque Converter Clutch Solenoid is located within the transmission housing that is easily accessible through the transmission oil pan. The TCC solenoid may vary in location dependent upon manufacture but generally it is located as aforementioned. It can cause your vehicle to stall if stuck open or close because it controls loads to the engine via your torque converter which is located between the vehicle's engine and transmission. Also, make certain that you attempt to change the transmission fluid and filter before changing the TCC solenoid because that may be your underlying issue. If not, simply reuse your fresh oil and change the TCC soleniod.

Apr 27, 2010 | 2005 Chevrolet Cavalier

1 Answer

To change the tcc solenoid can it be done by

The transmission will not have to be removed for this, however, the valve-body assembly will need removal. This can be accessed by taking off the pan on the transmission.

Nov 17, 2009 | 1998 Ford Escort

3 Answers

P1744 enginge code tcc solenoid circuit

DTC P1744 is "TCC - Excessive Slip Detected During Full TCC Engagement". Which means that the Torque Converter Clutch (TCC) is disengaged or the EPC pressure is at the minimum.

The most likely cause is a sticking or bad TCC solenoid inside the transmission. You can check the connector at the transmission to make sure it is clean and tight and that it is not damaged in any way.

If the TCC and wiring is okay, then pressure testing of the transmission will need to be done.

A new torque converter from Ford is about $265.00 and about 4 hours labor. Throw in a $40.00 TCC solenoid and I don't think it'll be more than $700.00 at worst.

If the pressure test is good then it's just going to be the $40.00 tcc solenoid and the cost of the transmission oil and filter changed which should be around $150.00

Good luck and hope it's just a loose wire harness to the solenoid which would cost $0.00 and just your time to locate the break in the wire. The other thing to, is to add a transmission fluid additive that would restore the clutch pack in the transmission and Torque Converter.

Nov 17, 2009 | 1998 Ford Escort

1 Answer

Fault codes

DTC P1860 is set if PCM detects a continuous open or short to ground in the TCC PWM solenoid circuit.

If your inclinded to attempt to fix this yourself, I have some trouble shooting proceedures that you can use. They are very involved, and could require the trans oil pan to be removed to get access to the solenoid.

If your not up to that, take it in to get it fixed.

TCC PMW solenoid is used to control fluid flow acting on the converter clutch valve.
The Solenoid controls TCC apply and release.
The Solenoid is attached to the transmission valve body. To get to it you have to remove the tranmission oil pan. Changing it should be no problem.
But do you need to replace it? To determine that you have to figure out if it is the wiring that goes to the solenoid or if the solenoid itself is shot.

The PCM uses the TCC/PWM solenoid to control when the torque converter clutch applies and how soft or harsh the TCC apply feels to the customer. The TCC/PWM also controls the release feel of the torque converter clutch. "

Ignition voltage is supplied directly to the solenoid through a fused circuit. The Powertrain control module commands solenoid on or off by applying or removing the ground.

P0753 Shift Solenoid A Electrical P0758 Shift Solenoid B Electrical
Good luck and hope this helps

Apr 20, 2009 | 2002 Chevrolet Cavalier Coupe

3 Answers

Will transmission from blazer 93 fit to blazer 95

Yes it will run, if it is identical as you told us, and you will have no problem with the safety switch, your only concern now should be the gear ratio of the 93 chevy Blazer.

Dec 01, 2008 | 1995 Chevrolet Blazer

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