How Do I Identify A Gm Torque Converter

The Vehicle Identification Section VIS. But now i may the step up the cam a bit and am trying to know the specs on the converter.

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The one on the right looks like a normal non-lockup converter from a TH350 behind a Chevy motor and was occasionally found with TH400s.

How do i identify a gm torque converter. If there is no other identification on the converter then for the period of where TH400s were used this number would indicate this as a low 1400 RPM stall converter. Sonnax recommends vacuum testing critical wear areas not covered by. What does a torque converter do.

His secret also GMs secret for many years is this. Wait for a few minutes for the engine to warm up then gently press the accelerator twice and rev up the engine. The digits 10 through 17 are for the Vehicle Identifier Section.

Installation Install Zip Kit parts as shown on diagram of separate quick guide sheet included in this Zip Kit. When it comes to choosing a torque converter one size certainly doesnt fit all. A torque converter is a fluid coupling device that transfers power from engine to transmission and multiply the torque being.

This is a video to help identify exactly which belt you need to be running on your torque converter. Hello all I am trying to identify a torque converter i had in my GM 700r4 This was advertised as a 2500 stall from the previous owner and seemed to do OK with the moderate cam that was in the vehicle. Choose the right one and youll be burning rubber.

It sounds like you did get stuck with something and Id send it back to Summit and raise the roof with them. A rather simple test can determine whether the torque converter is failingThis is how to carry it out. Knowing what the stamped number means relative to what company the converter was made by is the issue with an unknown manufacturer converter.

I think I mis-spoke on the converter diameter a 13 is probably stock diameter. When it comes to choosing a torque converter many factors come into play when choosing the right converter. Remove 13 pump-cover-assembly-to-torque-converter-housing bolts.

A torque converter has the impeller connected to the engine while the turbine is connected to the mechanical portion of the transmission. The section below the Converter Part Number Grey Band is for information unique to the converter that may assist you in the correct idenification. Upon engine startup the transmission oil pump pressurizes the converter with ATF.

Note any identifying marks. The 700r4 and the 4L60 transmission uses a bolt pattern of 16 bolts so if the transmission looks like one of the pictures above and you can see 16 bolts you most likely have a 700r4 or a 4L60 transmission. Jump to Latest Follow 1 - 12 of 12 Posts.

The one on the left looks like it MIGHT be a LOCKUP converter from a TH350C or maybe TH700-R4 TH200-R4 or TH200C. Make sure line it up with both the pump tangsnotches on the converter neck and the input shaft. Below is a guide to help decipher its meaning.

The 4L65E transmission has an impressive strength. GM RWD Torque Converters. Almost ALL convertertrans vendors STAMP an ID into the body of their torque converters.

Identify Converter Markings The body of a welded converter is a one piece non-serviceable unit. GMs idea of a high stall converter C code is only 2100 RPM for the TH400 models. 10-12 converters are the screamers.

Theres an identification groove just above the welds that attach the mounting pads to the cover on all 400-style torque converters. Identifying Torque Converter. Choose the right one and youll.

The impeller throws the ATF into bucket-like receptacles of the turbine and generates some pressure on the turbine in the same direction as the impeller is. Check the spline counts where the input fits in the converter. For reassem-bly torque bolts in the sequence shown to 97 in-lb Figure 10.

A photo of the front and rear surfaces of the converter is provided when one is available. If your torque converter is a welded unit you need to search the exterior of the unit for any identifying marks most notably on the engine side or bottom of the converter. Joined Apr 2 2018.

Turn the ignition key and start up the engine. If there is no ID tag there might be a number or letter stamped between the dimples of the impeller on the converter body. If it wont go then you know you have a problem.

For you to know the 4l60e vs 4l65e identification you need to know the major differences between the 4L60E and 4L65E transmissions. If you work with the manufacturer. The Yellow Area below that with the Heading in Bold Print is for the standard converter identifying data.

Additional data pages are included at the front of each. As said earlier it was produced to handle more torque. Starting 1980-up GM used a 4-digit ID sticker located on the converter body to help identify it.

But that information is useless if you do not provide accurate information about your car and its components. All of the major torque converter companies employ skilled personnel that have a wealth of information available. 4l60e vs 4l65e identification.

At least on t-350s also if you want to make sure the spline count is right just try putting it into the trans. The easiest way to identify if you have a 700r4 is to raise your car and check the bolts around the transfer case. The only markings i see is a tag - 8653701.

For series 30 a-symettrical and series 20 40 symet.

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