Now I got access to AllDATA and I look up some stuff about it. They said to change oil and use 0w-30 Molil 1 synthetic. They claim 0w-30 will allow air in the HLA to bleed out quickly and remove varnish that is preventing HLA pistontravel. Will using 0w be a problem?

Oh yeah they also said that the reason HLA tick is because of lack of oil change but the thing is I changed mine ever 3k miles with Castrol syntecblend.

Edited by: D16z6

 

Using 0w30 should be ok. I dont know how much it helps. I know there are a couple guys on other boards who have used it.

My mitsubishi ticked for 15 yrs till I sold it. Sounded like a sewing machine. It had the same type of lash adjusters isuzu used. Changed oil every 3k, tried synthetic and flushes to try cleaning it, nothing worked. Eventually I just got used to it. All mitsubishis and isuzus with SOHC 3.2 engines tick.

 

we used 0-30w at the dealership for awhile,back when the isuzu engineers were aware of the problem.it worked well with the vehicles that were just starting to tick,but for those too far worn it didnt do a thing.using 20-50 is the next thing we use with the higher milage engines,plus it helps with oil burn off

 

So I better use it right now since it just started. I only have 76k miles.

Edited by: D16z6

 

yeah try it out an see how it does for you,the correct fix cost about 1800 dollars to get them quiet again,some where in this forum i listed the procedure for the fix also,for someone who wanted to do the job

 

it was a bad design by isuzu,just didnt deliver enough oil for the pressure that is up there,thats why they changed designs in 98.you really had to have used good quality oil an changed it early an on time everytime for them to stay quiet.which pepole seldom do.its not the lifters at worn out.it was the shafts that they rode on that makes the noise an air getting trapped inside the lifters,thats why the 0-30w was recommended

 

Is it true that a spun rod bearing will make a knocking sound due to lack of oil? For some reason im also thinking it might be this.

 

Oh yeah why the heck did Isuzu make the oil dip stick black? You can't really see the oil level on it. Im probaly just gonna throw it out and get a aftermarket one.

 

a bad rod bearing will make a heavy knock sound underneath the vehicle.the knocking sound that the timing belt tensioner makes is more of a rattling sound,if you think you have a bad rod bearing try killing the clyinders one by one an see if the tone changes.it will more than likely be number 1 or 2 clyinder is so.just hold the idle up til the sound comes in steady an rythmic,then pull a plug wire at the plugs not at the coil.....lowers the risk of getting shocked....an listen to see if the tone changes or completly goes away.

 

Mine doesn't have a spark plug wire. Its distributorless.