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  • 38 Answers

Low on tranny fliud?

Posted on Jul 31, 2009

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Posted on Jan 02, 2017

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I have a 92 gmc 4x4 and I am getting. 1988chevy witha 5speed to take the place of the 700r4 in my truck but the 1988 Chevy was a v6. 4.3 would that tranny bolt up to my 350 ?


The Chevy V6 is compatible with essentially every transmission, manual or automatic, as the Small Block V8.
Note that the 4.3 V6 is typically found with a 168 tooth flywheel (11" clutch disc) behind it instead of the more-common 153 tooth (10.5" clutch disc). This is done for clutch engagement, but moreso for the weight and resulting torque provided. Therefore, the V6 requires the "big clutch" bellhousing which gives the clearance needed for the larger flywheel. The V6 has the same crank flange as the V8's, so caution should be taken when swapping flywheels around from the V8 to the V6.

Jul 14, 2014 | Cars & Trucks

1 Answer

How do I disengage TCC on 1989 Chevy Caprice?


What has happened more than likely, unfortunately, the internal piston seals on the servo controls have gotten hard and not usable after this period of time sitting still. The answer is to remove and replace all the seals inside the transmission. Sorry this is the answer, but that is from my 35+ years experience in trans. overhauls. You should not have to replace clutches and plates, also make sure there is no rust on the internal drums from sitting still.

Apr 15, 2014 | 1989 Chevrolet Caprice

2 Answers

1989 chevy blazer 1500 transmission modulator vale location


If its a THM400 the valve should be in the side just above the pan. It would have a vac hose going to it.
If its not a 400 it probably does not use a modulator valve but rather a solenoid inside the transmission.

Sep 21, 2012 | 1989 Chevrolet S-10 Blazer

4 Answers

I have a 1994 S10 Blazer with 4.3 Vortec engine. My 4X4 is not working properly. It is sort of intermittently working. When I depress the 4X4 LO position on the switch, there is no indication of anything...


If I'm not mistaken, there should be a module or relay. Not for sure where it's at. Heard of these going out and not being able to switch into 4 wheel drive. I know on a 200'? Ford F-250 they have a motor on the side of the transfer case. That switches it into 4 wheel. Signal from 4x4 switch is sent to module then to the motor that engages the transfer case. Hope this makes sense. Hope this helps.

Feb 24, 2010 | 1994 Chevrolet S-10 Blazer

2 Answers

1997 Chevy 1500 P/U 4x4 small V8. Transmission shifting issue.


you may be confusing the torque converter clutch engagement with o.d. this trans has a problem with the T.C.C. regulator valve wearing out the valve body bore. this will cause the converter clutch to engage only sometimes or not at all. this will set a P1870 code in the control module. when this code is stored in the controller, ( check engine light may or may not be on), it increases the pressure in the transmission causing the 1-2 shift to be harsh. ask a local tranny shop to scan the vehicle ( most will do this for free) if this is the problem they can either fix your valve body (sonnax parts) or replace it with an upgraded valve body. hope this helps

Nov 25, 2009 | 1997 Chevrolet K1500

1 Answer

Where is trans. filter located on 06 hyundai tucson 2.7 auto.4x4


The filter is inside the trans. It is not under maintenance schedule unless the transmission has undergone a major malfunction and needs to be replaced during overhaul. This is done at the factory. The only maintenance schedule is fluid replacement/flush every 30,000 miles.

Jun 05, 2009 | 2006 Hyundai Tucson

2 Answers

I have a 1978 chevy k20 4x4 truck. Lately my transmission will not shift to third gear, and if it does, it shift back down to second gear.


On the back right side of the tranny you will find the modulator valve with a vaccum line. First check the the line is ok, if so, replace the valve. Note; there is an adjusting screw inside the vaccum hose fitting to change the shift modes. Don't mess with it unless necessary! Frankster016

Dec 02, 2008 | Chevrolet C2500 Cars & Trucks

1 Answer

1984 c4 corvette/ trans problem


both modulator and needs serviced when servicing ck for debris in pan

Nov 01, 2008 | 2001 Chevrolet Corvette

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