What would causes a 4L60E transmission not to shift?
A more serious cause of 1-2 shift failure on the 4L60E is a leak in the 2nd gear apply circuit (servo assembly or 1-2 accumulator). It is also possible to have inadequate line pressure due to a leaking boost valve, clogged EPC filter screen, failing EPC solenoid, or possibly leaky seals throughout the transmission.
Why will my transmission not shift?
One main reason why the automatic transmission in your car may not be shifting smoothly is the ECM is going bad. It is best to get this checked out by an experienced auto mechanic technician who understands the electrical system. Other indicators include bad connections within, or worn out sensors and faulty solenoids.
What transmission is in a 1989 Chevy Silverado?
Each one comes with a standard four-speed, automatic transmission with overdrive. 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.
What years did Chevy use the 700R4 transmission?
The four-speed Turbo Hydra-Matic 700R4 was introduced for the 1982 model year for use in Chevrolet/GMC vehicles. In 1990, the Turbo Hydra-Matic 700R4 was renamed the 4L60….700R4 / 4L60 / 4L60E / 4L65E / 4L70E / technical description.
| Gear | Ratio |
|---|---|
| R | 2.29:1 |
How much is a 1989 Chevy Silverado worth?
**Figure based on a stock 1989 Chevrolet C1500 1/2 Ton valued at $8,200 with OH rates with $100/300K liability/UM/UIM limits. Actual costs vary depending on the coverage selected, vehicle condition, state and other factors.
How much is a 1989 Chevy Silverado extended cab worth?
Silverado 1500 Trims
| Truck | Original MSRP / Price | Engine |
|---|---|---|
| 1/2 Ton Pickups Fleetside Ext Cab 155.5′ 4WD | $13,691 / N/A | 6 Cylinder / 8 Cylinder |
| 1/2 Ton Pickups Sportside 117.5′ | $10,553 / N/A | 6 Cylinder / 8 Cylinder |
| 1/2 Ton Pickups Sportside 117.5′ 4WD | $12,576 / N/A | 6 Cylinder / 8 Cylinder |
How much is a 1990 Chevy 1500 worth?
1990 Chevrolet C/K 1500 Series Value – $273-$2,435 | Edmunds.
How much horsepower does a 1989 Chevy 350 have?
Horsepower. There were two 350 options in the 1989 Suburban. One produced 190 horsepower (hp), while the other produced 210 hp. In the G-30 HD van, the 350 produced 185 hp and in the Corvette, it produced 240 hp.
How much horsepower can a 350 handle?
a typical 350 Chevy can make upwards of 350 – 375 HP before you exceed the reliability of the components. For a big block with the same stock components it can make in the area of about 400 to 475 or so HP and handle upwards of about 500 HP before you exceed the reliability of the stock cast pistons.
Which is better roller cam or flat tappet?
The flat-tappet cam lobe is more pointed at peak lift, while the roller cam nose tends to be rounded; this means the roller is holding the valve open at higher lift for a longer period of time, which results in a greater fuel/air charge. The lobe shape also opens the valve much faster.