Operation CHARM
: Car repair manuals for everyone.
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1991
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Jetta L4-1781cc 1.8L SOHC
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Repair and Diagnosis
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Tune-up and Engine Performance Checks
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Compression Check
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Specifications
Manuals through 2025 now available!
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Link:
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Compression Check: Specifications
COMPRESSION PRESSURE:
New
10-13 bar (145-189 psi)
Wear limit
7.5 bar (109 psi)
Max difference between cylinders
3 bar (44 psi)