Hello. It is possible that the transmission is faulty and may need to be replaced for your 2007 Chevrolet Express 2500. It sounds like the transmission valve body is overheating and causing the shifting problem you are experiencing. The clutches...
Hey there. This may be related to the starter solenoid. This is a unit on the starter that directs power to the starter allowing it to engage the flywheel when you turn the key. When this is not working properly,...
Hi there. Check the battery cables and make sure that they are tight and clean. Check the battery for a load test. The battery should not drop more than 11.5 volts during a voltage drop test. If the battery does...
Both of those codes are for oxygen sensor issues. Oxygen sensors needs to heat up before it gives good readings. In pre 1996 cars, the sensor would get heated up by the cars exhaust. This took about 2 minutes. Oxygen...
Hello. Some dealers do offer installation of aftermarket parts and accessories. However, this will vary from dealer to dealer. I would check your local dealerships to see if they are able to install aftermarket accessories. If not, then a reputable...
Hi there. The Northstar Engine by Cadillac is notorious for internal leaking from coolant passage to combustion chambers. A block test is not always a certain make or break procedure. The engine would need a wet magna flux test done...
Hello. A no start condition can be caused by many things. A few common causes are issues with the fuel, ignition, or engine management systems. It may be possible that one of the components to these systems, such as the...
Check to see if there are any stored diagnostic trouble codes. Be sure you have a fully, 100% charged battery that passes a load test. Confirm that the engine immobilizer system (security system) is not activated thus preventing the car...
You may be having an intermittent misfire, which will make the check engine light go on and off when it is misfiring. Have the computer scanned and it should let you know what cylinder is misfiring, or if there is...
If you did not have any issue before the tires were put on and now the problem has appeared, than this indicates that there is tire problems. I would recommend having the tire store put a different brand of tires...
You need to fix that air leak. The best thing to do is buy a new intake boot. If you're short on funds, you can use duct tape or some other strong tape to cover the hole in lieu of...
If the outer CV joint has popped out, there's a likelihood that it is damaged. It can be examined to determine if it is safely re-usable but the best course will likely be to just replace the axle that has...
Sounds like you may have some internal leakage in the brake master cylinder. The brake master cylinder, if it is leaking internally, will maintain fluid level and allow the pedal to drop. It is possible that the leak is small...
The attempted theft may have caused damaged to the housing behind the steering wheel. The spring loaded action comes from inside the housing and not the lock cylinder so I have a feeling you will either have to replace the...
If you rounded it off, then you really need to get that thing up. They do make those special sockets sets that have rigid edges and for different size bolts. Get the closest one that fits on that and whack...
Modifications to vehicle brakes is not something we can help you with due to safety reasons. I can tell you that if the ABS is not active or does not work then the brakes will revert to normal brakes as...
The noise you are hearing is the timing chains rattling till the oil pressure builds up and applies pressure to the timing chain tensioners. The manufacture has come out with updated parts to correct the problem. The problem is this...
The most common failure for this problem is the blower control module (also known as the linear power module). The module should be replaced with a new one, after which you may notice the blower speeds higher than they were...
Hello. A transmission replacement for that model of vehicle will likely cost a few thousand dollars, including the cost of labor to install it. At the moment YourMechanic, does not currently offer engine or transmission mechanical services. For a repair...
Hi! It wouldn't be impossible to still try and sell the car. Some people like cars that are a little different from the mainstream. You have one of those cars. I'm thinking you may be able to sell it to...
