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RWD - drive line hesitation

Volvo RWD 900 Forum

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drive line hesitation 900

Spook, Thanks for diligently following up on my problems.

Alignment is fine. I was unaware there were any rubber mountings for the AC compressor.

Indulge my ignorance about the AC. The belt always runs when the engine is running. The front of the compressor spins when the system is on. I guess this to be the clutch. I hear no unusual noise.

When revving the engine, the clutch will often momentarily stop spinning. This is obviously the cause of the hesitation. The freezing of the clutch must be impeding the smooth operation of the engine. There is no apparent change in the rotation of the main crank pulley and the belt continues to turn.

The belt is tight and shows normal wear for 3.5 years. If anything the belt is too tight.
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89 240 wagon, 94 940, 300K, 94 940, 141K






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New drive line hesitation [900]
posted by  j.pelchat  on Thu Jun 21 19:57 CST 2018 >

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