What performance issues occur? Adventure Rider. Too loose - noise and increased wear on the cams, rockers and valve tips Too tight - hard starting, poor idle, risk of heat damage to exhaust valves. Much thanks! Is there a way to distinguish whether the intake or exhaust are causing it? Aside from pulling off the covers and checking? I don't understand. Causing what? I think he's asking whether there's another way to tell if it's the intake or exhaust valves that are out of spec if the bike has the symptoms you describe other than checking with feeler gauges.
Checking all with feeler gauges is the only way to go in my opinion. In my experience, when things are that bad, intake and exhaust valves ALL usually need adjusting.
Try and set the two intakes exactly the same thickness as each other within the Suzuki range. Same for the two exhaust valves. Models equipped with hydraulic systems, for example, will correct themselves. Older or less advanced models still require a manual adjustment. The maintenance schedule will depend on both the design of the car and how you drive it. In most cases, auto manufacturers are aware of this necessary maintenance. A valve adjustment after a certain mileage may be a standard part of your car's service schedule.
Check your owner's manual to learn about the expected maintenance for your car's make and model. Once your valves start to lose their proper clearance, they'll be easy to notice. Your car may have a rough time idling, especially before it has time to warm up.
This rough idling is caused by the valve opening late, choking off fuel. Stalling after a cold start is common. In other cases, you may hear a loud rattling noise as the valve knocks against the side of the shaft. Since some symptoms often disappear after the car warms up, they're easier to ignore.
But ignoring these warning signs may end up costing you more through lost performance and gas mileage. In cases where your valves close too quickly, your engine will lose compression and begin to perform poorly. This is called clearance. Too much clearance causes a rattling sound and lackluster acceleration.
Driving with too much clearance leads to less overall damage than driving with tight clearance. But, it should still be taken care of quickly and before your car's performance suffers. The other potential problem is for your valves to close too slowly, which reduces the compression in the cylinder.
Driving with the valves too tight causes more damage. In severe cases, your engine may overheat and burn out a valve, which is a much more costly repair. If you notice these warning signs and don't take care of them you will almost certainly regret it. Stick to your maintenance schedule and have your valves adjusted as needed. The experts at Greg's Garage can help you with your car maintenance needs. They never overcharge and they never cut corners.
They treat all their customers fairly. If you've been putting off this important piece of maintenance for a while now, contact us to ensure your car runs smoothly for many years to come. Here is your checklist for your next big road trip! Look at all fluids, oil, transmission fluid, anti-freeze, coolant, brake fluid, windshield washer fluid, power steering and more! Test brakes, clutch. Check your air-conditioning Pack all the essentials, water emergency kit included. Shocks and struts help stabilize the vehicle and keep tires in contact with the pavement.
Without shocks, your vehicles would bounce down the road. Warning signs: Instability at highway speeds. Your vehicle never feels completely stable on the highway and is constantly moving up and down. Vehicle tips to one side in turns. When taking a sharp turn, or an off — ramp, your vehicle leans or tips to the outside and feels wobbly.
The front-end dives more than expected during hard braking. You may not notice this until you must jump hard on brakes. Rear-end squat during acceleration. Tires bouncing excessively. After hitting a bump, you can feel a time or tires reacting or bouncing for a period. You may also hear a clunking noise. Unusual tire wear. Dangers of work out shocks: Poor road handling. Worn tires. Poor braking — when a car brakes with the worn shocks, the tires tens to bounce losing contact with the road and extends the stopping distance.
In other cases, you may hear a loud rattling noise as the valve knocks against the side of the shaft. Begin typing your search term above and press enter to search. Press ESC to cancel. Skip to content Home Cover Letter What happens if valves are not adjusted? Cover Letter. Ben Davis March 29, What happens if valves are not adjusted? How do you adjust intake and exhaust valves?
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