Replacing Cam Drive Sprockets - @ TDC, 45 or 20
02-07-2011, 09:40 PM
#1
Instructor
Thread Starter
Replacing Cam Drive Sprockets - @ TDC, 45 or 20
I am about to replace the cam drive sprockets in my US early 86. Luckily I purchased the gears in 2003!
Have borrowed at PorKen tool from Dr Bob (THANK YOU BOB!!!!!). I checked the setting using PorKen tool at TDC, 45 and 20 degrees and found passenger side is retarded 3 degrees and drives side is at 0 degrees.
So here is my first question, where do I set the motor (TDC, 45 or 20) to best keep the cam springs from moving / jumping them thus potentially simplify the installation. I cannot remember if the cams like to "jump" at 0 degrees vs 45 vs 20. Yep, I know 45 is the non interference setting!
Here is second question - oil pump and crank gears are good - can I do this w/o removing the balancer etc? The belt has only 5000 mile on it, but is 4 year old (no flames, I already ordered Gates belt from Rodger this AM)
Thank S in advance
Have borrowed at PorKen tool from Dr Bob (THANK YOU BOB!!!!!). I checked the setting using PorKen tool at TDC, 45 and 20 degrees and found passenger side is retarded 3 degrees and drives side is at 0 degrees.
So here is my first question, where do I set the motor (TDC, 45 or 20) to best keep the cam springs from moving / jumping them thus potentially simplify the installation. I cannot remember if the cams like to "jump" at 0 degrees vs 45 vs 20. Yep, I know 45 is the non interference setting!
Here is second question - oil pump and crank gears are good - can I do this w/o removing the balancer etc? The belt has only 5000 mile on it, but is 4 year old (no flames, I already ordered Gates belt from Rodger this AM)
Thank S in advance
02-07-2011, 10:26 PM
#2
Former Sponsor
I am about to replace the cam drive sprockets in my US early 86. Luckily I purchased the gears in 2003!
Have borrowed at PorKen tool from Dr Bob (THANK YOU BOB!!!!!). I checked the setting using PorKen tool at TDC, 45 and 20 degrees and found passenger side is retarded 3 degrees and drives side is at 0 degrees.
So here is my first question, where do I set the motor (TDC, 45 or 20) to best keep the cam springs from moving / jumping them thus potentially simplify the installation. I cannot remember if the cams like to "jump" at 0 degrees vs 45 vs 20. Yep, I know 45 is the non interference setting!
Here is second question - oil pump and crank gears are good - can I do this w/o removing the balancer etc? The belt has only 5000 mile on it, but is 4 year old (no flames, I already ordered Gates belt from Rodger this AM)
Thank S in advance
Have borrowed at PorKen tool from Dr Bob (THANK YOU BOB!!!!!). I checked the setting using PorKen tool at TDC, 45 and 20 degrees and found passenger side is retarded 3 degrees and drives side is at 0 degrees.
So here is my first question, where do I set the motor (TDC, 45 or 20) to best keep the cam springs from moving / jumping them thus potentially simplify the installation. I cannot remember if the cams like to "jump" at 0 degrees vs 45 vs 20. Yep, I know 45 is the non interference setting!
Here is second question - oil pump and crank gears are good - can I do this w/o removing the balancer etc? The belt has only 5000 mile on it, but is 4 year old (no flames, I already ordered Gates belt from Rodger this AM)
Thank S in advance
It doesn't get any easier than that.