Why is my Pontiac Sunfire transmission not working?

Why is my Pontiac Sunfire transmission not working?

Automatic Transmission. Pontiac technical service bulletins indicate that Sunfire automatic transmissions frequently experience leakage due to a faulty pass-thru connector. The automatic transmission sometimes experienced acceleration problems, due to torque-converter clutch failure.

What kind of transmission did Pontiac use in 1955?

1955 & Earlier Light Duty 3-speed Standard Shift Transmission. The light-duty Buick trans was used by Pontiac in 1955 and earlier years. It is easily distinguished by it’s small physical size and 5-bolt top cover. On a scale of 1-10, with “7” being a Muncie M22, the light-duty B-O-P selector is rated as a “4”

When did the Pontiac 4 speed transmission come out?

Pontiac first offered a 4-speed in 1960. UPC = GM Universal Product Code. See http://www.teufert.net/trans/man-hist.htm for a list of transmissions by year and some good comments. 1955 & Earlier Light Duty 3-speed Standard Shift Transmission. The light-duty Buick trans was used by Pontiac in 1955 and earlier years.

What kind of transmission does a B-W T85 have?

According to John Sawruk, the noise and/or gear whine of the old Buick brought about it’s demise. B-W T85s have 22O helix-cut gears, making them quiet as a mouse. One of the differences between M22s and M20-21s is that the Muncie engineers went back to Buick thinking, removing the high-helix gears.

Why do I have a problem with my automatic transmission?

These are both issues that may signal a problem. It could indicate a problem with your fluid whose protective properties have degraded and has become thick. In this case a good fluid exchange could help you. Other times you may be experiencing a computer system problem. Sometimes resetting the car’s computer can solve the problem too.

Can a transmission problem be fixed by a do it yourselfer?

Most transmission problems can’t be fixed by the average do-it-yourselfer. There are just too many specialized tools and pieces of equipment you’ll need, and buying this expensive gear just to screw up your first three tries at fixing the thing just doesn’t make too much sense.

What causes a car to have a transmission breakdown?

When your transmission fluid’s lubricating abilities diminish, as it does with time and mileage, it enables damaging friction between all the parts. Friction causes the breakdown of parts and buildup of debris and likely sludge. All of these problems together eventually lead to a complete transmission breakdown.

What should you do if your automatic transmission is slipping?

It tells your car when to send power to your wheels. If something is malfunctioning here the signal is not being properly sent. Summary: Slipping gears is a serious safety issue.If your car’s automatic transmission is slipping in and out of gears, call or come by the shop, right away – safely.