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How do I identify a th350c transmission?

How do I identify a th350c transmission?

Look for the vacuum modulator. It will be on the side of the transmission and have a rubber vacuum line attached to it. If this fitting is on the right front of the transmission, you have a TH350. On the similar TH400 it is attached at the right rear of the transmission.

What kind of transmission does a GM TH350 have?

GM TH350 Automatic Transmission The TH350 is an automatic shift, three-speed transmission. The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. The HydraMatic 350 transmission was prevalent in nearly all GM, rear-wheel-drive cars and trucks through 1984.

What causes TH350 transmission to hesitate on shifts?

When it came time to find out what the common formalities are with this transmission, both mentioned the “late shift” issue. Occasionally, the TH350 will hesitate on shifts, and this can be caused by a number of things, including; a vacuum line leak, a blown modulator, or the bolts on the hold-down plate not being tightened down securely.

Is the lockup on my th350c Trans working?

But it was the th350C with lockup, im told that i was produced from 78-86 and was a limited thing and not that common. Anyway it Came out of a 1985 malibu. Anyways the trans works fine and is rebuildt and works as it should. But i see alot of highway and would kind of like the lockup to be working.

Where is the kickdown cable on a TH350 transmission?

Look to see if there is a cable running to the side of the transmission, close to where the shifter linkage is located. Verify that this cable runs up to the engine. This is a kickdown cable, and the TH350 transmission has this feature, where the TH400 does not. Locate the stampings on the side of the transmission.

Turbo 350 Transmission Specs. This transmission replaced the GM Powerglide automatic transmission, which was a 2 speed automatic transmission that was in production for 23 years. The Turbo 350, known by the name TH350, was used in nearly all GM rear wheel drive car and truck applications during its tenure.

What kind of transmission does a Chevy 350C have?

The TH350 (Turbo Hydromatic 350) was a transmission developed in a joint venture between Buick and Chevrolet in the late 1960s. This transmission was designed for small block 350 engines manufactured by Chevrolet.

But it was the th350C with lockup, im told that i was produced from 78-86 and was a limited thing and not that common. Anyway it Came out of a 1985 malibu. Anyways the trans works fine and is rebuildt and works as it should. But i see alot of highway and would kind of like the lockup to be working.

What kind of transmission does a Chevy truck have?

THM700-R4 – 4 Speed transmission used in GM cars and light trucks with the 2.8, 3.1, 4.3, V6, Chevrolet built 305, 350 and 454 engines from 1982 to 1992.

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Ruth Doyle
Easy tips

How do I identify a TH350C transmission?

How do I identify a TH350C transmission?

Look for the vacuum modulator. It will be on the side of the transmission and have a rubber vacuum line attached to it. If this fitting is on the right front of the transmission, you have a TH350. On the similar TH400 it is attached at the right rear of the transmission.

How to identify a GM TH350 automatic transmission?

Identifying the TH350 the Easy Way. Certainly the easiest way to identify a GM automatic transmission is by the bolt pattern. The TH350 has a 13 bolt pan gasket. This is a fine way to whittle what you have in front of you. If you counted 13, you are either looking at the Turbo 350 Transmission or the Turbo 400. Look at the TH400 pan gasket.

What does the th350c lockup wiring look like?

Re: Th350C lockup wiring by thatfnthing Mon Jan 11, 2016 10:18 am If it’s like the lockup on the 200 & 700, you have to try pretty hard to  screw it up.  It grounds through the transmission case, so there’s only a positive wire to the transmission.  So your circuit would look something like:  IGN term on fuse box -> switch -> transmission

What kind of casing is a TH350 transmission made of?

The transmission casing is made of cast aluminum. The TH350 was also known for its quite short length, with an overall length of 21.75”. That also converts into a lighter transmission that carries a weight of 120 pounds. The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used.

When was the TH350 transmission introduced in the Chevelle?

To name a few, this transmission was used in the Caprice, Chevelle, Corvette, Blazer, and Nova. The TH350 was introduced in 1969 as a replacement to the Powerglide 2 speed automatic transmission. While the phase-in began in 1969, it was not complete until the 1973 when the Powerglide fully phased out.

What is the difference between TH350 and TH400 Trans?

The TH350 uses a mechanical kick down switch , whereas the TH400 uses an electric one . The electric kick down is much easier to set up, espescially if you are doing an LS Swap, They do both have an aluminum case, and three forward gears. Although the gear ratios are nominally different.

How much does Chevy TH350 Trans weigh?

The TH350 was also known for its quite short length, with an overall length of 21.75″. That also converts into a lighter transmission that carries a weight of 120 pounds . The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used.

What is the length of Chevy 350 transmission?

The 350 transmission is 21-3/4″ long and its one-piece case is cast of aluminum alloy. It features an integral bellhousing. The TH350 weighs 120 lbs. It has a distinctive oil pan that is chamfered at the passenger side, rear corner.

What is gear for a TH350?

3.73 gears are the equivalent of using 4.10 gears with a TH350 when you figure the final ratio between the crank and the wheels. Jan 8, 2010 #8 flowjoe Moderator Staff Member Lifetime Gold Member

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Ruth Doyle