When did the GM 4L80E transmission come out?
Although there were some minor issues with the automatic GM 4L80E transmissions that were introduced in 1991, over the years, significant improvements have been made to enhance its performance.
What’s the difference between TH400 and 4L80E transmission?
The 4L80E transmission evolved from the heavy-duty TH400 transmission. The 4L80E offers 4th gear overdrive feature whereas the TH400 only offered a total of 3 forward speeds. It was the need for an overdrive transmission that was the ultimate reasoning behind retiring the TH400 transmission.
What kind of overdrive does a 4L80E have?
It was the need for an overdrive transmission that was the ultimate reasoning behind retiring the TH400 transmission. Having identical ratios, the exception of the 4L80 was that it has a 0.75:1 overdrive used for 3/4 and 1 ton pickup trucks that have either a 6.2L or 6.5L diesel engine.
What kind of transmission does a 2003 GMC Sierra have?
The transmission options that were available to the 2003 Sierra were as follows: MG5 – This is the NV3500 manual transmission. It’s the only manual available for the 2003 Sierra. M30 – This is the 4L60E automatic transmission. It came in the lighter duty trucks. It’s a four speed overdrive transmission.
What kind of transmission does a 4L80E have?
Engineered to Dominate, the 4L80E Mega Monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tire-spinning shifts race after race. It is ideal for vehicles powered by engines producing up to 550 horsepower using pump gasoline.
Is the 4L80E Mega Monster transmission Tough Enough?
Popular Accessories (These have been Discounted for your transmission package!) Engineered to Dominate, the 4L80E Mega Monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tire-spinning shifts race after race.
The transmission options that were available to the 2003 Sierra were as follows: MG5 – This is the NV3500 manual transmission. It’s the only manual available for the 2003 Sierra. M30 – This is the 4L60E automatic transmission. It came in the lighter duty trucks. It’s a four speed overdrive transmission.
Despite its name, the 4L80E is not an upgrade to its GM counterparts. Introduced alongside the original 4L60 in the early 1990’s the 4L80E was designed for large trucks and is designed as a heavy duty unit, rather than a transmission for smaller cars or even some pickups.
What is the RPO code for a GM 4L80 transmission?
The 4L80 nomenclature denotes that the transmission is a 4-Speed, Longitudinally mounted, and for 8000 lbs. vehicle weights. It’s RPO code is “MT1” and has been domestically manufactured in GM’s Ypsilanti and Willow Run plants.
It was the need for an overdrive transmission that was the ultimate reasoning behind retiring the TH400 transmission. Having identical ratios, the exception of the 4L80 was that it has a 0.75:1 overdrive used for 3/4 and 1 ton pickup trucks that have either a 6.2L or 6.5L diesel engine.
Do you need a core deposit for a 4L80E transmission?
If you are not completely satisfied with your transmission when it arrives, send it back for a full refund. Our 4L80E is the functional and visual equivalent of a new transmission. If for any reason it does not meet this description we want it back. No Core Deposit. We do not charge a core deposit.
What causes OD on a 4L80 diesel?
Since your transmission has 200Ks on it the problem is likely that the valve sleeve bore has worn. When the Torque converter Solenoid strokes the piston the transmission fluid leaks past when hot. The hydraulic signal get so weak that it will no longer activate the control valve within the pump thus kicking in OD.
What kind of transmission do I need for a Chevy Express?
Downtime costs you money, so buying a used 4L80E transmission or used 6L90 transmission might make sense. But you need to consider two things: Number One – that used transmission comes from a junk yard, so it might have the same problem that you’re trying to fix.
What kind of torque converter does GM 4L80 have?
The torque converter is a fluid turbine drive and like those on its predecessor transmissions; the TH350C, 700R4, and 4L60, the 4L80 features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. The 4L80 features a 310 mm torque converter. As to length, this transmission is 26-1/4″ long.