You need to study or research info on tune-ups
Basically it is a sales pitch, as only spark plugs are left
& tune-ups stopped 25 years ago from a technical perspective
Your not actually tuning anything
You replacing old spark plugs,gas & air filter etc,that has been
called preventative maintenance for over 20 years
For the last 30 years the vehicles Computer does all the
engine tuning
SOURCE: Did full tune up on my 1995 chevy silverado 1500
Correct plugs and gap? Plug wires in correct firing order?
SOURCE: need to know where the heater core and heater
The heater core is on the passenger side under the dash within the heater airflow contoller box. If you had Xray vision and could look straight through the glovebox, then you would see it. The heater control vale for the water flow is on the passenger side top of the engine near the firewall. It will have a domed top with a vacuum line to it and it is placed into the heater core supply hose.
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SOURCE: how to preform a tune-up on my 2009 Saturn Vue
It has a maintenance recomendation from the manufacturer for replacement of the spark-plugs at 100,000 miles. You don't list mileage or V6 or L4 cylinder. Make sure engine is cold because the cylinder heads are aluminum and can be damaged if plugs are removed hot or overtightened upon reassembly. Remove spark-plug wires and replace spark-plugs. Sometimes the wires break when you remove them and will require replacement. If you coat the inside of the wires where they connect with the plugs with dielectric grease it will help prevent the wires from breaking upon future disassembly.
SOURCE: what is needed for a tune up for a 2003 chevy
A professional Tune Up will Check your mileage to see what Chevy reccomends.They have diagnostic tools to check and adjust the Engine back to specs.You can change the basics ...Plugs,Wires,Cap..ect. (if electonic ignition and injectors let the shop do it).There are many Polution Controls,and electronics that have made the DIY not practical anymore.Good Luck.
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SOURCE: changing serpentine belt on 2000 chevy silverado
The belt has tension applied to it from an idler pulley arm. you need to release tension by using a socket and ratchet on the nut on the idler pulley. Release tesion and slide belt off . Make sure you have the diagram for serpentine belt. it is usualy under the hood. If not make a diagram yorself before removing belt.
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