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Savana 3500

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Question
Truck turns over but doesn't start
It is quite possible that the fuel filter is what is causing your no start issue. If the fuel filter becomes clogged with debris, the fuel pressure at the fuel rail will decrease due to the restriction. If the fuel...
Question
Car needs fuel pump
Hello. Your van may not start for many reasons. If the engine is cranking over and just not starting then it can very well be a fuel pump. If the engine is not cranking then it may be a battery...
Question
Number 40 fuse blowing when cranking
I looked up the wiring diagrams for this year vehicle and cannot locate fuse 40. The instrument cluster lighting fuses are numbers from 10 to 17. I also cannot find any other problems that relate to your complaint that I...
Question
Oil pressure at 0
Oil pressure in a vehicle can still be at zero even if it is full of oil. The oil pressure is developed by the oil pump located inside the engine. If the pump veins cannot develop enough pressure to lubricate...
Question
After brake switch & assembly replacements, brake lights stay on
Hello. This sounds like you may have a short in the wiring that goes to the brake light switch. I would recommend having a qualified professional use a digital multimeter to test the brake switch circuit for excess resistance. If...
Question
Car misfires after distributor, rotors, plugs, plug wires replacements. 1999 GMC Savana 3500
Although the person who serviced your vehicle the first time did not repair the issue, I think he might be correct about the fact that it could be an intake manifold gasket or a fuel pump issue. You may...
Question
Van overheats, but only at idle - 2004 GMC Savanna 3500
Hello. Assuming that you replaced the fan clutch and the fan is actually working, I think you are on the right track as far as the radiator being clogged. When the vehicle is not moving, it does not have the...
Question
When carrying a load, van rough idles and loses power - 2001 GMC Savana 3500
Hello. There may be an issue with your fuel injectors. If the fuel injectors are clogged, this will not usually throw a Check Engine Light code but will prevent the engine from running properly. If a fuel filter becomes overfilled...
Question
After replacements, including starter, flexplate had been installed backwards
Hello. Any major transmission work that is performed by an automotive service facility is almost always under warranty at least for a short period of time. If the repair was done incorrectly, you should just need your receipt from the...
Question
ABS Module can not be reprogrammed
Hello. I would first contact the vendor who sold you the new ABS module. Reputable dealers and ABS module rebuilders are pretty good at guiding you through the "programming" aspect of this replacement. While there are some ABS modules that...
Question
Van will start sputtering then shut off after running my delivery route for a couple hours
Hi there. Replacing the ignition control module, you may have touched on something that allowed your engine to run fine for a day. The fact, it runs fine for a couple of hours and then starts sputtering and dies, leads...
Question
Engine coolant leak - 2000 GMC Savana 3500
Hi and thanks for contacting YourMechanic. Looks like the coolant is coming from the rear freeze plug on the back of the engine. For this issue, I would recommend putting coolant dye in the cooling system and run the engine...
Question
The transmission not getting the vehicle up to speed - 2006 GMC Savana 3500
Hello. You don't state how quickly the fluid loss occurred, but finding this leak is obviously the number one priority. There are 3 common leak points on this transmission (4L80E): the rear transmission housing/driveshaft yoke seal, the filler tube, and...
Question
shaking like it's going to fall apart
Hi there: Sometimes loose tie rod ends or worn out ball joints can cause the symptoms you're describing; especially on bumpy roads. It's often an indicator of loose components if the symptoms are only noticeable at higher speeds and while...

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