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I put in new upper trans mount. It made no difference in sound, I put in a different strut assy and sound is less but still remains on larger bumps. I sold car.

I used to take cloverleaf everyday and noticed 1 day I was skating to outside on damp roads. Got new tires and it drives much better.

Just got an 09 w/98k miles. Is SO quiet. No clunks or rattles on bumps.

I do use spray lube or wd40 to give rockers and pushrods a light cleaning at least. Look down pushrod for opening I guess. Yet to see a plugged one. You don’t set lash on rockers. So pump up or not is irrelevant. I pull fuel pump fuse and crank motor for 20-30 sec to get oil pressure. No need...

I found a bit of glue on rubber hood seal and it was stuck to cabin airfilter lid. Based on filter crud, it might be original to car.

Got an 09 w/98k miles for $1200. Thing is spotless.

Ha, sold car. That was plan of course. Fix motor and sell it. So long, clunk.

I did see a bit of crud on lifter plunger when I took them apart. I can see why they stick over time. Interesting how they assemble. I had a set of lifters/rockers in a bucket for couple years and finally tossed them in garbage. Figure I’d never need them.

My 08 has an occasional cold tap. I did heads 3 yrs ago. Didn’t touch lifters. I might try 0-30 oil. Kid was using 10-30 oil but 0-30 might help. In theory.

Remove lifter hold down and lifters usually lift out. Yard by me sold lifters/rockers/pushrods for $20. I think they raised prices recently. Only torque value I’m worried about is head bolts and rocker studs. I go by feel on most everything else. I just Google it. I do peak at cam lobes when I...

I took lifters apart on 1 equinox I fixed. Motor was filthy. Then I got pushrods mixed up on 1 cyl and bent a pushrod. I saw a set of lifters on Amazon for $34. Come on, how can they screw up a lifter? The car had a super quiet idle after I cleaned lifters. But that was 6-7 cars ago. I just sold...

New mount. No difference. Thru on another used strut. Sound is slightly less annoying. I give up.

I added 1/2 qt atf. Same affect as mystery oil. Extra detergents to free sticky lifters. Car was quiet for 2 weeks. Then I backed out of garage. Quiet. Car sat in driveway a few hours. Started it, tap tap tap? Restarted it and quieter tap tap. Restarted it again and silent. No tap. Tap comes and...

Using the tool make changing intake manifold gaskets easier since you don’t have to remove rocker arms. It saves no time if you plan on removing heads. Remove rockers arms. Remove pushrods. Remove heads. You are going to clean head sealing surface and handling heads with attached rocker arms is...

Got my kids 08 for awhile. I changed oil but used 10-30 as that’s all I had. She mentioned she has a lifter tap occasionally and I concur. Sometimes it goes away in 5 sec after start but sometimes not. Quite annoying as I did heads 2 years ago and had chance to replace lifters and did not. I was...

Could be plastic coupler inside elec. motor assy. Rarely fails. Could be knuckle on intermediate shaft. You can loosen set screw on knuckle assy and try to move it 1/8”-3/16 further up Splined shaft. Usually has no affect. Could change elec motor assist assy. I did. Made 20% improvement.

That means you have the skills to check fuel pressure. You don’t have to remove plenum. Use visible schrader valve. AZ has free tool rental. What is FP at idle?

I have same issues. My code was for rt frt sensor so I changed wheel bearing and code came back in 2 days. I changed wire from sensor to inside fender liner as it does flex a lot. No help. I can go 1 week and no codes and then they come back. Might not return for 2-3 weeks. I basically ignore it.

If you can remove upper intake to replace rail/injectors then you can check fuel pressure.

pic of 07-09 mount. it has a cast body with raised bolt flanges. y