The ATC 85109051 Timing Gear Cover Alignment Tool is a precision fixture designed for aligning the timing gear cover flush to the cylinder head surface on Volvo D11 and Mack MP7 engines. It ensures the cover sits perfectly flush, helping prevent oil leaks and ensuring correct sealing when reassembling the timing cover.
This alignment tool includes parts “85109051-A” and “85109051-B” which together hold the cover edges in exact plane alignment while you secure the bolting pattern. It’s an essential tool when performing maintenance, gasket replacement, or cover service where precision alignment is critical.
Key Features & Benefits
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Purpose-built for Volvo D11 and Mack MP7 timing cover applications
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Ensures the timing gear cover is aligned flush with the cylinder head to maintain proper sealing
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Helps prevent oil leaks, gasket failures, and misalignment stress
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Includes alignment arms (85109051-A, 85109051-B) for comprehensive coverage during installation
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Durable construction suitable for repeated shop use
Applications & Use Cases
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Replacing timing cover gaskets or seals on D11 / MP7 powertrains
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During engine rebuilds, overhauls, or maintenance where timing cover is removed
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Any repair scenario requiring precise cover alignment to avoid oil seal failure