hydromatic 400
10-12
700 r4 also known as L60 transmission...
change your transmission fluid and transmission filter if the problem persists then your transmission is most likely no good.
my 1984 GMC vandura G2500 had a 33 gallon tank
The 1990 GMC Vandura 3500 typically uses the GM 4L80-E automatic transmission. This heavy-duty transmission is known for its durability and is often paired with the larger V8 engines found in the Vandura line. It features a four-speed design with overdrive, providing better fuel efficiency and performance compared to older transmissions.
If memory serves me right, you should have the TH700R4.
To remove the transmission from a 1992 GMC Vandura, first ensure the vehicle is securely lifted and supported. Disconnect the battery, then remove the driveshaft, exhaust, and any components obstructing access to the transmission. Unbolt the transmission from the engine and the crossmember, disconnect the shift linkage, and then carefully slide the transmission out of the bell housing. It may be helpful to use a transmission jack for support during this process.
The GMC Vandura 3500 with a 6.2L diesel engine typically comes equipped with a Turbo-Hydramatic 400 (TH400) automatic transmission. This three-speed transmission is known for its durability and performance, making it suitable for heavy-duty applications. In some configurations, it may also feature a manual transmission option, but the TH400 is the most common pairing with the 6.2L diesel engine.
It does not take freon. The 1995 GMC Vandura uses the new R134a.
In a 1994 GMC Vandura, the transmission relay is typically located in the under-hood fuse box. This fuse box is usually found near the battery on the driver's side of the engine compartment. You may need to consult the owner's manual or a service manual for specific details on the relay's position and identification.
On a 1984 GMC Vandura, the fuel relay is typically located in the engine compartment, near the battery or the fuse box. It may be mounted on the firewall or along the inner fender. If you're having trouble locating it, consulting the vehicle's service manual or wiring diagram can provide specific details for your model.