What is the 6 speed automatic transmission for GM?
GM 6L80 transmission
The 6L80 (and similar 6L90) is a six-speed automatic transmission built by General Motors at its Willow Run Transmission plant in Ypsilanti, MI. It was introduced in late 2005, and is very similar in design to the smaller 6L45/6L50, produced at GM Powertrain in Strasbourg, France.
What’s the difference between a 6L80 and a 6 l 90 transmission?
What is the difference between 6L80 and 6L90 transmission? The main difference between the 6L80 transmission and 6L90 transmission is the strength of the internal components. The 6L90 transmission case is 1-3/8” longer, which provides extra room to house two additional pinion gears (6 total).
Why does my GMC Sierra 1500 not shift gears?
GMC Sierra 1500 Questions – Speedometer doesn’t work and transmission doesn’t shift gears. – CarGurus.ca Speedometer doesn’t work and transmission doesn’t shift gears. The speedometer stays at 0 all the time. When the transmission is in drive it won’t come out of 1st gear.
What are the symptoms of a GMC transmission problem?
GMC vehicles with 8-speed 8L90 and 8L45 transmission have a widespread problem known as ‘Chevy shudder.’ The symptoms that may happen during gear shifts and typically include shaking, juddering, and harsh shifting. In severe conditions, it may be followed by a noticeable clunk.
Are there any problems with GMC 8 speed transmission?
GMC vehicles with 8-speed 8L90 and 8L45 transmission can develop intermittent problems regarding the transmission temperature. Symptoms that drivers can experience include improbable temperature readings to overheating, slipping, and harsh shifting. These issues will trigger a check engine light, so there will be a fault code stored in DTC memory.
What kind of transmission does a 1989 Chevy 1500 have?
Four-wheel-drive diesels came standard with a three-speed automatic overdrive transmission. In respect to this, what transmission is in a 89 Chevy 1500? The ’89 should have a 700r4/4L60 4 spd (some came with the turbo 350 3 spd) and the ’94 should have a 4L60e with the stand alone TCU (tranny control unit) on the inner fender to control it.
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