General Motors transmissions
(→Automatic transmissions) |
(→Fastener threads) |
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==Fastener threads== | ==Fastener threads== | ||
| − | Using SAE bolts on a GM transmission mount after about 1978 will strip the mount threads. GM converted to metric mount bolts about 1978 even though most of the rest of the transmission bolts did not change until the | + | Using SAE bolts on a GM transmission mount after about 1978 will strip the mount threads. GM converted to metric mount bolts about 1978 even though most of the rest of the transmission bolts did not change until the 700R4 and 4L80E came out. |
| − | + | T-350 and T-400 transmission mount, speedometer, and solenoid bolts went metric about 1978. All other bolts were SAE to the end of production. | |
| − | + | T-200C, 2004R, 700R4, and later transmissions used metric fasteners. | |
LX engine transmission to block bolts are metric: M10 x 1.5. Also includes 2001-'02 SBC used in the Chevrolet Express/GMC Savana (crate motors including those for marine/industrial retain the use of SAE bolts). | LX engine transmission to block bolts are metric: M10 x 1.5. Also includes 2001-'02 SBC used in the Chevrolet Express/GMC Savana (crate motors including those for marine/industrial retain the use of SAE bolts). | ||
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