Crankshaft torque setting needed

Tiny
SIMON TN LAI
  • MEMBER
  • 1999 RENAULT KANGOO
  • 1.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Crankshaft torque setting.
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Tuesday, May 4th, 2021 AT 8:31 AM

11 Replies

Tiny
BORIS K
  • EXPERT
Hello,

Please ensure that you fit new conrod cap bolts.
Tightening torque is
25Nm initial torque
Using an angle gauge tighten the nuts to another 45 degrees
See below for a picture of an angle gauge.

Please let us know how you get along.

Cheers, Boris
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Tuesday, May 4th, 2021 AT 9:12 AM
Tiny
SIMON TN LAI
  • MEMBER
How about main bearing torque setting?
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Monday, May 17th, 2021 AT 11:07 AM
Tiny
BORIS K
  • EXPERT
Hello,

For the main bearings please observe following bearing installation.

Fit the grooved bearing shells on all the bearings on the cylinder block.

On the bearing caps, place:
The grooved bearing shells onto the bearing caps No. 2-4,
The non-grooved bearing shells onto the bearing caps No. 1-3-5.

Tightening torque is 25Nm initial torque.
Then using an angle wrench tighten an additional 47 degrees +- 5 degrees.

Cheers, Boris
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Wednesday, May 19th, 2021 AT 6:43 AM
Tiny
SIMON TN LAI
  • MEMBER
Can help clearance bearing kangoo k7j Main and conrod. Thanks
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Sunday, May 23rd, 2021 AT 12:07 PM
Tiny
BORIS K
  • EXPERT
Hello,

Using plastigage, see below picture, ensure that your crankshaft oil clearance, big end and main bearing, is between 0.028 and 0.054 mm.

For your requirements I would suggest using green plastigage which is suitable for oil clearance from 0.025 to 0.076 mm.

How to use plastigage.

https://youtu.be/q3pHb-qXZc8

Please let us know how you get along.

Cheers, Boris

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Monday, May 24th, 2021 AT 1:08 AM
Tiny
SIMON TN LAI
  • MEMBER
Too tight right.
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Monday, May 24th, 2021 AT 3:39 AM
Tiny
KEN L
  • ADMIN
Yes too tight, I would redo the measurement after cleaning the bearing backside and block/rod remember the measurement must be done dry. Let us know.
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Tuesday, May 25th, 2021 AT 10:48 AM
Tiny
SIMON TN LAI
  • MEMBER
Main bearing present original.
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Thursday, May 27th, 2021 AT 11:54 PM
Tiny
KEN L
  • ADMIN
The bearing looks worn how is the crank side?
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Sunday, May 30th, 2021 AT 11:28 AM
Tiny
SIMON TN LAI
  • MEMBER
I think not so bad.
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Monday, May 31st, 2021 AT 9:06 AM
Tiny
BORIS K
  • EXPERT
Hello,

What size bearings are you using?
Standard or oversize?

Also please measure the crankshaft main and big end journal diameters.
If unsure take the crankshaft to a reputable engineering/machine shop to have the diameters measured. They can then advise as to which size bearings should be used or if the crankshaft needs to be machined to the next undersize to accommodate a new set of bearings.

How to check a crankshaft:

https://youtu.be/HgUOnbOMj1k

Cheers, Boris

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Tuesday, June 1st, 2021 AT 9:15 AM

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