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Recently I replace the Variocam Ramps on my 2002 boxster S.
Reassembly went well but I have a timing problem for the cams afterwards, trying to figure out the fix.
Bank one at Idle actual cam angle is about 6, deviation is blank.
Once the car warms up to 180, the actual angle goes to close to zero, and the deviation is about 5 to 6.
Bank 2 is as you would expect, actual angle around zero at cold idle, deviation around zero at warm idle.
My recollection is that before disassembly the Durametric showed that actual angle at idle when cold was close to zero On bank one.
I read that actual angle may not represent what I think it does, I read somewhere that it represents the amount of Variocam influence on the cams, not the actual timing.
Can someone possibly explain what the actual angle means? Bonus points if someone can explain to me what exactly is wrong with my car, my best guess is either I have a bad variocam actuator problem or I assembled things with intake cam one tooth off.
My front wheel was making a rattling noise for about the last week, and this morning as I drove out of my driveway and turned the wheel, I could hear a loud popping noise coming from my wheel whenever I turned. My best guess is that I drove over a pothole and the control arm / bushing moved out of place. Would this be covered under the OE warranty? Or should I take it to a mechanic?
I was fairly sure that my erratic idling on my 2000 model Boxster S - never less than 1100 r/min and often shooting up intermittently to 2000 r/min - was caused by a dirty throttle body or MAF sensor. After cleaning the TB it made no difference and having caused an air leak on one of the rubber sleeves where it attaches to the plenum, I decided to give the job to my local specialist.
The problem was resolved by repairing a hole in the brake vacuum hose, caused by the hose chaffing against the bodywork.
I suppose that with 19 years under its belt and 147000 km I could expect something like this. The brakes work better too - less muscle required to stop the beast!
Thought Id share...