hank
Member Since: 12 Sep 2016
Location: South Wales
Posts: 2316
 
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Sorry to hear you've got no compression. Explains your crankcase pressure though > 110 XS Double Cab
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11th Jul 2022 3:56pm |
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blackwolf
Member Since: 03 Nov 2009
Location: South West England
Posts: 17598
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| Re: Compression Test 0psi | |
Puma22 wrote:I have recently done a compression test, the third cylinder back (I think the order is 1,3,2,4, so cylinder 2?) ...
I think you may be confusing firing order with position. Generally cylinders are numbered 1 to n (where n is the total number) from front to rear, so on a Puma no.2 cylinder is the one between 1 and 3, second from the front. The fact that it is the third cylinder to fire during a full, four stroke cycle, is irrelevant. |
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11th Jul 2022 5:01pm |
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landy andy
Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5804
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| Re: Compression Test 0psi | |
Puma22 wrote:I have recently done a compression test, the third cylinder back (I think the order is 1,3,2,4, so cylinder 2?) was reading 0psi.
I will shortly be continuing on with my strip down, however I believe that an inlet valve may be stuck open. There is ‘smoke’ coming from the inlet when cranking for the test. Has anyone come across this before? I can’t find anything online relating to Puma engines and intake valve problems.
The third cylinder back is cylinder three. The 1324 is the firing order not the cylinder order. |
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12th Jul 2022 8:55am |
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