if timing chain broke would serpentine belt n pulleys move when trying to start?

chadhenry
0

Asked by chadhenry May 25, 2012 at 04:17 PM about the 2002 Pontiac Grand Am SE

Question type: Maintenance & Repair

5 Answers

Larry Quigley
5,090

There should be a crank pulley that drives the serpentine belt. So the belt would still turn even if the timing belt was broken.

1 out of 1 people think this is helpful.
Daniel Perron
1,735

larry is correct, drive pulley for serpentine is the crankshaft.

trip65
Not Active

your belt will tur the pulleys since it is connected to the crank , your valve train will not , open the oil fill cap & see if you can see the rocker arms moving up and down , if they don't move your timing chain or belt is broken.

1 out of 1 people think this is helpful.
Leonard Lemke
65

Yes. But what makes you think the chain is broke.

tenspeed
50,855

If it's a four cylinder Ecotec, you don't want to spin the engine with a broken timing chain. It will bend the valves if they are not bent already. Remove the valve cover and you can see the chain on the passenger side,

3 out of 3 people think this is helpful.

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