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V8-7.5L

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Battery voltage is low.
Hello. If the battery voltage reads low on the gauge then that is a sign that the charging system is not functioning correctly. If the alternator is brand new then there is little chance that it is the source of...
Question
Installed a new thermostat and now it won't hardly idle and Boggs down when driving
Hi there: Typically swapping out the thermostat only won't be the source of idle issues. However, if your 96 Ford F-250 overheated which stimulated the thermostat change, it's possible that other components may have been damaged. Some things you might...
Question
Won't run right since my son replaced the thermostat
If the engine was running without a problem before work was done then the repairs most likely have caused the problem. You should have the engine scanned and the entire engine checked for loose or disconnected connectors on the mass...
Question
Engine clicking and shaking
Hello. The symptoms you describe can be caused by a few different things. A few possibilities are an exhaust leak, or some sort of engine performance issue, such as a misfire. If the noise appears to be coming from the...
Question
Engine clicking and shaking
Hello, thank you for writing in. Due to the timing being relatable to the oil change, you will want to start by double checking the repair. Make sure your oil filter was installed correctly and is allowing the oil to...
Question
Electrical wiring issue with the dash lights.
Check the lights on the dash and look for the wiring. Follow the wires to where they hook up to and check that component to see if it's working. Most dash lights are hooked into the light switch and on...
Question
Need wire connection details for 73 F100 ignition switch -Black, Yellow, Pink, Red w/Blue, & two Red w/Green on one terminal
Hi there. Unfortunately, we are unable to attach images or files to this Q & A section, so we're not able to assist you in this manner. I would suggest searching online for a wiring schematic for your 73 Ford...
Question
1987 Ford e350 rv cranks over but wont start and have tried everything and checked most reasons why it may not please help
At the age of your car it could be about anything, but the good news is that the engine in your truck is a pretty sturdy unit so I doubt you have major engine problems at just 96,K miles. A...
Question
Won't crank
Hi there. Without knowing the specifics or steps you've completed on the replacement services, it's hard to pinpoint or isolate the source of your problem. However, if you turn the key and nothing happens, in general it's caused by a...
Question
Fast Vibration that increases with speed, and can be felt best through the steering wheel
Usually, vibration in the steering wheel is due to dynamic imbalance of the wheel/tire assembly and/or a rim is bent. Wireless chassis ears can be helpful in the diagnostic as they can pinpoint if one side, versus the other, is...
Question
Cranks won't start
The transmission fluid temperature sensor is not needed at start-up. However, if the engine coolant temperature sensor is malfunctioning that could cause hard or no starting because that temperature sensor provides an input to the PCM to enrich the mixture...
Question
How do you avoid the upper and lower A arm bushings from melting on a 1970 GS 455?
Hi there - yes, this is a very large engine, in a moderately-sized place, with lots of heat transfer issues! As you suggest, heat shields, or wrapping the exhaust manifold (headers?) with "heat wrap" to keep the heat inside the...
Question
Won't crank
The battery could be discharged. Prior to performing diagnostics the battery should be load tested. With a battery in good condition and the immobilizer (security) system off, if the starter motor does not operate at that point, there are only...
Question
Old RV can't get it to start
Hi There, This may be related to many different possibilities, some of which may be related to a lack of spark or possibly timing issues and some of which may be related to a fuel delivery problem or a combination...
Question
on a 1970 Lincoln mark iii Interior lights wont turn on and warning lights are very dim and doorlock button makes buzzer go on
Hi there. Although the electrical systems on older vehicles tend to be much simpler in design, in many cases, issues like you've described can be very tricky to trace. It could possibly be something as simple as an expose wire...
Question
Truck cranks but won't start
It is not possible to have more voltage than the battery can supply, so I think your meter is dropping to 2.0 volts and not 20 volts. I recommend having the battery clamps and posts cleaned and then retest system...
Question
Engine cranks but won't start
The first thing you need to do is to disconnect and clean battery clamps and posts. Then check engine main ground cable to see if you are losing ground or connection through battery clamps. You are getting big voltage drop...
Question
Truck won't start from ignition
Hi there. If you're able to engage the starter directly, it's probable that your issue is either a damaged starter relay or the ignition relay. It could also be an exposed electrical wire anywhere in between these two connections that...
Question
Why is my truck is leaking transmission fluid?
Hi there. Check the location of the transmission fluid leak on the case to determine what needs replaced. There are 5 locations for the transmission to leak that are common. Locations of a leak The input shaft seal The...
Question
I installed a new fuel pump, but the line from the pump to the carb is leaking at the flare fitting on the pump
Hello, thank you for writing in. The hardest part is done. Locating and noticing the leak is typically where people fail to follow through with their repairs. The flare on the line was likely bent or damaged. They are very...

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