URGENT - compression tester

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URGENT - compression tester

Post by Ranjan »

Please guys can anyone help.

Need to borrow a compression tester urgently to help out a fellow owner who is not a member.
I will pay for all postage there and back first class recorded and for it's hire; just really need it soon.
He is thinking of scrapping and I am trying to get him to do a rebuild.
Some instructions would also be helpful.

Thanks.

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Re: URGENT - compression tester

Post by Lucky 8 Racing »

Should be able to sort this tomorrow. Drop me a pm with your details and I’ll get it sent :)
All of the rotors, none of the compression
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Re: URGENT - compression tester

Post by 13Black »

Pop the air box back and up (no need to unplug MAF etc).
Reach under it, and between the AC belt - unplug the crank position sensor electrical plug.
Spark and fuel disabled, is now ready for comp test.

A plug out of each rotor, top or bottom doesn't matter.
Throttle pedal up or down, doesn't really matter either.
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Re: URGENT - compression tester

Post by Ranjan »

Velocity_Dan93 wrote:
Fri Feb 21, 2020 3:44 pm
Should be able to sort this tomorrow. Drop me a pm with your details and I’ll get it sent :)
Thank you for this; much appreciated.

PM sent.

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Re: URGENT - compression tester

Post by warpc0il »

Just for clarification, disconnecting the ESS doesn't make any difference to the compression.

However, it does prevent the coils being triggered which could otherwise interfere with the tester readings.

It also means that you don't have to floor the throttle pedal to prevent the engine trying to start.
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Re: URGENT - compression tester

Post by ChrisHolmes »

Where is your friend? There may be someone close by with a tester.
An alternative way to access the plugs is to take the PS wheel off.
My broadband is down currently but once it’s up I will scan my testers instructions and post them up. If you cannot get the ESS off then tuck all the ignition leads up out the way of the sensor cable and floor the throttle before spinning the engine over which cuts off the fuel supply. The engine needs to be hot for the test.
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Re: URGENT - compression tester

Post by 350matt »

or you could just pull the fuel pump 20A fuse from the underbonnet fusebox, no need to disconnect anything else
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Re: URGENT - compression tester

Post by qwakers »

you need to stop the coils firing, it messes with the reading. hence ess disconnection.
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Re: URGENT - compression tester

Post by ChrisHolmes »

Instructions for the www.rotarycompressiontester.com unit
Tester Instructions002.pdf
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Re: URGENT - compression tester

Post by Ranjan »

Thank you everyone, all your instructions are duly noted; if any one of you get a hurried phone call from me on Monday please be patient and kind.

Thanks Chris for the pdf.

Ranjan.
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Re: URGENT - compression tester

Post by 13Black »

"disconnecting the ESS doesn't make any difference to the compression.

However, it doesn't prevent the coils being triggered which could otherwise interfere with the tester readings."

Shouldn't that be: "DOES prevent the coils being triggered" ? fixed using my new powers.(Chris)
Because, it does disable fuel and spark...

- - - - - - - - - - - - - -

"just pull the fuel pump 20A fuse from the underbonnet fusebox, no need to disconnect anything else"

Can work, but also the HT voltage can interfere with some testers it seems. Also, you don't really want the chance of igniting any fuel anywhere ... also it's not really healthy for the coils to try to discharge without a decent path to ground. If you can do it properly (which is very little effort anyway), do it properly.
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Re: URGENT - compression tester

Post by Ranjan »

Well, that was a waste of time after Dan’s valiant help; am in bed in New York with flu and the tester is in my luggage here in the apartment :(

He is going to contact Ryan Rotary and get him to sort it out.

Thank you all for help and instructions, may be of use next time.

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Re: URGENT - compression tester

Post by geofftl1000r »

Some nasty bugs around at the moment. Hope you are well soon.
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Re: URGENT - compression tester

Post by shroom »

Ranjan wrote:Well, that was a waste of time after Dan’s valiant help; am in bed in New York with flu and the tester is in my luggage here in the apartment :(

He is going to contact Ryan Rotary and get him to sort it out.

Thank you all for help and instructions, may be of use next time.

Ranjan.
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Re: URGENT - compression tester

Post by Ranjan »

shroom wrote:
Mon Feb 24, 2020 11:05 pm
Ranjan wrote:Well, that was a waste of time after Dan’s valiant help; am in bed in New York with flu and the tester is in my luggage here in the apartment :(

He is going to contact Ryan Rotary and get him to sort it out.

Thank you all for help and instructions, may be of use next time.

Ranjan.
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Re: URGENT - compression tester

Post by ChrisHolmes »

Don't cough or sneeze when passing through the airport or it could be 14 days isolation!!!!!!
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URGENT - compression tester

Post by GreySilver Beast »

It's good news Ranjan is much better =D> and means Ollie gets the car delivered personally by Ranjan now :thumright:
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