R50/53 R53 Engine Health: Compression and Leakdown Test Results
#1
R53 Engine Health: Compression and Leakdown Test Results
Hey Everyone,
I picked up a parts car with a decent engine to swap into my 2004 MCS project. Donor car is a 2002 MCS hardtop with 121K on it. After getting it to run (bad starter and seized alternator) I wanted to test the health of the engine to see if it was good enough to do some preventative maintenance and pop it into the other car.
Compression test:
I picked up a parts car with a decent engine to swap into my 2004 MCS project. Donor car is a 2002 MCS hardtop with 121K on it. After getting it to run (bad starter and seized alternator) I wanted to test the health of the engine to see if it was good enough to do some preventative maintenance and pop it into the other car.
Compression test:
- Cylinder 1: 150 PSI
- Cylinder 2: 150 PSI
- Cylinder 3: 150 PSI
- Cylinder 4: 160 PSI
#3
Could be your PCV is blocked up. You can test if it's good by taking off the oil fill cap and then putting the opening of a latex glove over the oil fill opening. Turn the car on and if it eventually starts deflating the glove, you don't have an issue there. If it's constantly inflating the glove, buy a PCV for ~$30 and replace it in 2 minutes, then do your test again.
#4
Could be your PCV is blocked up. You can test if it's good by taking off the oil fill cap and then putting the opening of a latex glove over the oil fill opening. Turn the car on and if it eventually starts deflating the glove, you don't have an issue there. If it's constantly inflating the glove, buy a PCV for ~$30 and replace it in 2 minutes, then do your test again.
#5
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