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1985

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Question
Choose a carburetor for 454 Chevy engine
Hi there. For the carburetor swap out, you will need to have a least a CFM of 850 or 950 for a big block GM engine. If you are concerned about fuel consumption, then you could do a CFM of...
Question
Engine seems locked
Hi there. Sounds as if the meter in the carburetor has failed and made the float continues attempts to fill up when it is to be shut off. This will cause the engine to statically lock up. If the carburetor...
Question
Does a 1985 vw jetta have a water pump because it overheats.
Hi there. Your vehicle does have a water pump. For your vehicle overheating, the water pump, thermostat, radiator or radiator cap, or the head gasket could be damaged causing the engine to overheat. Most of the time, if the engine...
Question
Ignition electrical problem no constant battery powering truck.
Hi there. Check the power wire to the ignition coil on the engine. If there is no power to the coil, then there is a break in the wiring from the coil to the ignition switch. If there is power...
Question
Loud rattling noise from engine.
Hi there. Open the hood and check all around the engine compartment for something to be loose. When you hit the guardrail, the vehicle may have jolted hard enough to dislodge something and make something in your engine compartment move...
Question
High idle, deiseling(sometimes) jumping in gears and choke light stays on.
Hello. If all of these issues appeared after you took the vehicle into a shop then I would return to that shop and have them address the problems. It may be possible that the issues developed as a result of...
Question
Barely idles, shakes, shuddering when accelerating
Hi there. Although the difference in altitude may be an issue, it typically would not create vibration or a rough idle. In most cases, this is due to a restriction in fuel flow, or damaged to a fuel or ignition...
Question
vehicle violently shakes when you first start driving then smooths out after 5-10 miles down the road.
Hi there. It seems that the wheel bearings are most likely to be your issue. Even though the wheel bearing seems to be in good shape, it could be dry of grease. Suspension parts and the carrier bearing will not...
Question
1985 mercury marquis v6 3.8 the seal on the rear end is leaking were the drive shaft connects to axle and it needs repaired.
Hi there. Remove the wheels from the vehicle with the vehicle on jack stands and remove all of the brakes. Then behind the brake spider plate, there is 4 bolts that is holding the axle shaft in place. Remove the...
Question
I have a problem with my 1985 Mercedes 280SE. I need your help to fix this problem. I can't start the engine from first time.
Hi there. The fuel system's evaporative purge valve could have a leak causing the fuel system to leak out the vapors. This will make the fuel system drop in pressure when the fuel pump is not working. I recommend seeking...
Question
Trying to test a sensor in the distributor that is allowing it to not spark.
The Hall effect pick-up assembly in the distributor can be tested via the Factory Service Manual but that procedure has more than 15 steps. A more efficient test method is to use a self powered “indicator light” that is made...
Question
Oil pressure light is on
The oil pressure light will usually come on when a few things could be happening. Either the motor is in fact low on oil, the oil pump could be failing or the oil pressure sending unit is not working properly...
Question
Stopped at 55 mph
These electrical issues will require access to both the Chevrolet wiring diagrams, and the motorhome manufacturer. The other alternative is a professional mechanic with electrical certification, like YourMechanic, who can inspect the vehicle wiring with the proper tools to diagnose...
Question
Temperature gauge jumping around?
Hi There, It sounds like you may have a faulty coolant temperature sensor. The coolant temperature sensor, is a sensor that reads the engine coolant temperature and sends a signal to the engine control module, or ECM, to control other...
Question
Dynamic Timing Not Working
When adjusting the ignition timing you should have the engine warmed up. Jump the E and T terminals in connector near firewall and adjust the ignition timing to 5 degrees btdc and then remove the jumper. You should see timing...
Question
My car starts fine but always like once a month it doesn't start it cranks ok but it will not start if I let it sit for 6 hours
Hi There, What you are describing sounds like an ignition coil that may be failing. Ignition coils are prone to this type of erratic functioning or heat cycling when they are beginning to fail due to the temperature fluctuations under...
Question
electrical exterior
Hello. It is very likely that your alternator not supplying enough power to the vehicle to allow all the systems to perform properly. Also the battery looks new but doesn't perform as so. I suggest that a technician test your...
Question
Whats going on with my car
Hi there. Most of the time, a squeaking noise coming from the brakes is caused by a collection of brake dust that gets between the brake rotor and the brake pad. The squeaking issues sometimes can be increased when it's...
Question
I was told I need shift linkage insulators and bushings. Can Your Mechanic do this service at my home and what is the cost?
Hi there. As of now, replacing the shift linkage bushings and insulators is not a service that our mobile mechanics offer. We are adding services every week, when customers require the service. I will forward your inquiry to our sales...
Question
Engine looses power.
Hi there. What you are describing is common with a clogged fuel injector or throttle body that is dirty. In some instances, a blockage of carbon deposits will impede the engine's ability to accelerate smooth. Sometimes simply having the fuel...

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