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1978

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Question
Key won't turn in the ignition 1978 Ford Mustang II
Hi there - there a couple of possible faults preventing your ignition key from turning in the ignition lock cylinder. First is that the key is sufficient worn, or the lock tumblers themselves, that they are simply not moving the...
Question
The transmission slips gears and the car has no kick down
If the transmission is slipping, then the vehicle will seem to not accelerate, or the vehicle will not move very fast. It seems that there could be an issue with the transmission that is causing the slippage. Check the kick-down...
Question
Car runs ok, but when I put a timing light on all the wires, on on on off off on on etc.
Hi there. Check the spark plugs and see if there is any burned spots. If the spark plug tips are white and looks like they are corroded, then the spark plugs are fouled out and need replaced. If the spark...
Question
My Ford cortina has just cut off while driving and I suspect my points because there is no spark
Hi there. Wow, points and condenser! I have not heard those words in several years. Not sure if, your vehicle is equipped with standard ignition. The change over to electronic ignition started in 1974. Assuming, your vehicle has standard ignition....
Question
COOLANT LEAK 1978 Lincoln Continental Mark V
Hi - I believe you have a leak in the heater core - the tiny radiator under the dash (inside the big black plastic box you mention) that converts hot engine coolant to heat for the passengers. There is no...
Question
Differential ratio
You should not mix different axle ratios or there may be damage to the components in the 4x4 system. If front drive shaft and rear drive shaft turn at different speeds then damage inside transfer case gears can happen. Most...
Question
Power drain 1978 Cadillac Seville
Hello - you may have a charging system problem, although you have replaced virtually of those components, or there may be a parasitic drain on the system that runs your batter down overnight. This can be diagnosed by identifying which...
Question
I am replacing my power brakes booster and need some advice about removing the power unit from the bell crank.
Hi there. When removing the brake booster from a vehicle, you will need to remove the master cylinder and cap off the hydraulic lines. Then go in the cab and remove the pin from the bell crank and unbolt the...
Question
Vehicle starts sometimes, but dies and won't restart.
To clarify, the year (1978) of the Chevy Suburban in question you are asking about refers to some EFI terms that a vehicle of this year would not have otherwise come with from the factory. The answer below assumes this...
Question
Ignition/lock cylinder.
Hi there. After removing the steering wheel and getting to the turn signal switch cam, remove the snap ring from the steering column shaft and pull off the housing for the horn button. Then unclip the turn signal switch cam...
Question
Hello I have a 1978 Chevy four-wheel-drive. I completely tore it down and restored it and put everything back together, but the dash lights are not working properly.
Hi there. It seems that the dashboard lights are grounded to the turn signal switch circuit. This will make your dash light come on when they are not to come on. For the indicator light staying on issue is the...
Question
Ticking and knocking sound and follows as the rpm's increase.
I would have to listen to the noise firsthand to know for certain. However, one guess is that the noise you're hearing is from the valvetrain. Valvetrain noise, such as worn lifters or misadjusted valve clearance, is generally characterized by...
Question
1978 Beetle advice
Hi there. That's a lot of questions, and we'll do our best to help you out. First off, the odometer on older VW's is only 5 digits as you suggested, so it is very possible that it might have 185,000,...
Question
Transmission leak
I would suggest checking the Kelly Blue Book website with specifics related to your zip code as market prices of cars vary by zip code. This will give you a baseline for determining whether or not the car is within...
Question
No hot air coming from heater
You may have a clogged heater core that may be prohibiting the outer linings of the heater core to get hot. As you know, the heater core is a series of tubes that the coolant runs through that generates the...
Question
Instrument panel lighting problem
Hi there. In older vehicles like your 78 Ford, this type of problem is related to an exposed wire that is causing an electrical short. It could also be a fault with the electrical cluster behind the dash. You should...
Question
The cost of replacing spark plug's wires only...I do have my own wires...for a 1978 Corvette...thanks
To obtain the requested quote for labor only (no part costs), please visit YourMechanic’s ignition wire replacement page. Once on that page, click on "Get a Quote" and enter your vehicle information (year, make, model). You are welcome to buy...
Question
Turbo 350 involved in flood
Hi There, I would suggest having the transmission flushed as there may be remnants of water that may have worked into the internals of the transmission, which will eventually cause problems with hydraulic pressure. I would suggest also having all...
Question
How much would it cost to replace drivers side fender on my 1978 Dodge D100
Hi there - unfortunately, this is not a service YourMechanic offers at this time. This task is best handled by a collision repair estimator at a reputable paint and body shop. S/he is trained to evaluate visible and not-so-visible damage,...
Question
78 corvette been sitting for two years wont shift out of first what should i do
It sounds like your vehicle may be a bit low on transmission fluid or you may potentially have a bad transmission control solenoid. As you know, the transmission works on hydraulic pressure built up from the fluid inside and uses...

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