I have just brought a crv ivtec se, when you push the clutch down to change gear going up the engine revs go up about 2000 and 2500 when changing down the gear the revs drop to about 750 revs wiyh the clutch down. I have tested to see if it is the clutch is slipping but the enigne stalls with the handbrake on in every gear.
If it has over 100k miles you may want to look into having the lifters re adjusted. it usually costs 1 hour of labor and rarely a valve cover gasket. but honda engins valves tighten up with time and will make you loose power and make the car run sluggish and stall in cold weather if driven without warming up.
if you know how to adjust the lifters and have a feeler gauge you can fix it free.. the valve cover gasket rarely goes bad on these.
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Is it possible the clutch pedal is interfering with the throttle? Start the engine in neutral and allow it to idle. Press only the clutch pedal down and see if this increase the engine speed. If it does speed up the engine and slows back down when you release the clutch then somehow this operation is where your fault lies. If it doesn't alter the idle speed, then rev your engine and release the throttle to see if it returns to idle immediately. If it is slow to return to idle then your throttle cable could be sticking. This means when you change gear lifting off the throttle has little effect and depressing the clutch to change gear causes the engine to race as the throttle is still partially open.
do they revs drop off when taking pressure off accelerator pedal when out of gear? if only staying high during gear change it would suggest a worn clutch friction/pressure plate so the engine isn't slowing down when clutch is depressed .I'd also have the OBD codes read to see if there is a sensor/switch at fault , but sounds like the clutch to me
From the way you've described it your gear stick linkages maybe on there way out. When changing gear does the car resist getting into gear?
If it's more of a crunching sound then I would try double de clutching, to do this you need to:
change gear as usual but instead of holding down the clutch throughout the gear change hold it down to take the vehicle into neutral then release the clutch then push the clutch down again and change into desired gear.
To change down it's basically the same principal but you push down the clutch to put the vehicle into neutral then push the throttle down just to pitch revs then release the throttle and push the clutch down to change into your desired gear, if it won't go in to gear easily then rather the throttle until it does.
You can go onto youtube and search for double de clutching and I'm sure some results will come up
Im a mechanic, i think you will find it will be the clutch release bearing on the clutch fork, when you push the clutch in it will push the fork which will push the clutch release bearing onto the clutch plate which rotating with the engine revs
hello with your clutch problem if its a hydraulic clutch i cant help you but if its a cable clutch either your cable has snapped or you might of snapped your clutch fork. common problem in holdens also
try double clutching(come out of 3rd then push clutch twice b-4 going to 4th. if this works your clutch slave may be weak or pressure plate is worn. Try shifting from 1st-3rd if engine revs like your in neutral replace clutch. when going 1st-3rd engine should catch and cause vehicle to buck&stumble. (check level of clutch master cylinder)