SOURCE: tips on changing out thermostat on 93 Buick Skylark
yeah its the thermostat if your not getting any heat from the heater.
flush: how to video
SOURCE: 97 buick skylark 4 cyl misfires--changeed
If you have a 1997 Skylark w/ a four cylinder engine, then you have the same one I do, a 2.4L dual overhead cam. It is not a quad 4, different beast altogether. I believe your problem might be the plug boots, did you replace them? It's a relatively cheap solution, about $17 at AutoZone if I remember right.
SOURCE: Engine has no compression
when the timing belt broke it also bent the valves,hence the broken rocker arm. pull the head and see the valves are bent
SOURCE: 93 festiva engine valve noise
You would have to read the tech manual to see if they are just shims or if the are a hydraulic type lifter. They would actually pump up with oil and hold slight pressure on the cam so there would not be the tappet noise associated with a solid lifter cam. Odds are they got gummed up and started tapping on you. Hopefully you marked the cylinders they came off of and placed them back in the same location on the cylinder head as originally installed. You don't want premature cam failure because of the mismatched wear patterns on the lifters. Good Luck, RAC
SOURCE: knocking or ticking in the
you are right its either a rocker arm broken or loose or it also could be a broken valve spring so look for all three While you have the valve cover off to save you coming back and looking again ... thanks Jerry
ADJUSTMENT
22R and 22R-E
See Figures 3, 4, 5 and 6
Fig. Fig. 3: Adjust the clearance of half the valves, do the arrowed ones first
Fig. Fig. 4: Use a gauge to measure the distance between the stem and the rocker arm
Fig. Fig. 5: Hold the adjusting screw in position, then tighten the locknut
Fig. Fig. 6: Adjust the second set of valves the same as the first
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