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Savana 3500

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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...

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...

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 (https://www.yourmechanic.com/services/intake-manifold-gaskets-replacement) or a fuel pump issue (https://www.yourmechanic.com/services/fuel-pump-replacement). You...

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...

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...

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...

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...

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 (https://www.yourmechanic.com/services/fuel-filter-replacement) becomes...

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...

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