1990 GMC Sierra SLE Ext Cab 4x4 review from North America
"A great Truck"
What things have gone wrong with the car?
Rear End Blew at 330 345 km's.
Left side of the rad went around same time.
Pickup coil sensor.
Map sensor (due to my engine being flooded and some retard tying to start it well it was all flooded, blew my valve cover off the engine and cooked the MAP sensor)
Some rust around wheel wells.
Air Conditioner Connector malfunctioned.
General comments?
The truck Had been great I live in Manitoba winters here get to below 40 Celcius with windchills above 2000 and I never plug the beast in and she starts fine evry time, and with all the kilomiters on it, runs great.
Modifications..
1. Flowmaster Muffler 3" exaust system.
2. K&N Air Filter System.
3. Jet Stage 1 Performance chip
The JET Stage 1 Performance Chip is programmed for maximum power increases on a stock vehicle for improved performance under hard throttle conditions such as towing and wide open throttle acceleration.
4.FABTECH 6inch Suspension Lift Performance System With Dual Front Shock Kit.
5.Holley Commander 950 Engine Management System Kit.
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![]() ![]() | I love my truck and it will be one sweet ride when I'm done with it |
![]() ![]() | 1989 - Sierra C1500 SLE 5.7L V8 (350) GMC is the best truck ever made |
| Would you buy another car from this manufacturer? | No |
| First year of ownership | 1998 |
| Engine and transmission | 350 TBI 5.7 Automatic |
| Performance marks | 10/10 |
| Reliability marks | 10/10 |
| Comfort marks | 10/10 |
| Dealer Service marks | 5/10 |
| Running Costs (higher is cheaper) | 7/10 |
| Distance when acquired | 323213 kilometres |
| Most recent distance | 378765 kilometres |
| Previous car | Chevrolet Blazer |
| Date of Entry | 30th June, 2003 |

