⚠️ M278 TIMING CHAIN TENSIONER FAILURE ⚠️ Another Mercedes M278 4.7L Bi-Turbo in the shop with the classic cold-start rattle — and this one was caught just in time before it turned into a full timing disaster. These hydraulic tensioners are a known weak point on this platform. Once they wear out, you’ll hear that tell-tale chain slap on startup, followed by timing correlation codes and eventually stretched chains or broken guides if ignored. At Modern Masters Auto, we don’t take shortcuts: ✔️ Bo
0:21
⚠️ M278 TIMING CHAIN TENSIONER FAILURE ⚠️ Another Mercedes M278 4.7L Bi-Turbo in the shop with the classic cold-start rattle — and this one was caught just in time before it turned into a full timing disaster. These hydraulic tensioners are a known weak point on this platform. Once they wear out, you’ll hear that tell-tale chain slap on startup, followed by timing correlation codes and eventually stretched chains or broken guides if ignored. At Modern Masters Auto, we don’t take shortcuts: ✔️ Bo
4.4K views3 months ago
FacebookModern Masters
timing for M278
timing for M278
Jun 9, 2023
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