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| Revision as of 06:28, 4 June 2012 ddgonzal (Talk | contribs) <- Previous diff |
Current revision ddgonzal (Talk | contribs) |
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| - | With the head off you can use a regular cylinder head spring compressor. Compress the valve spring, then remove the keepers. Remove the compressor. Push the valve off the seat about 5mm then see if you can wiggle the valve stem side-to-side. | + | They have a little snap ring to limit the depth inserted in into the head. |
| - | http://mazda626.net/uploads/monthly_04_2012/post-29209-0-45244300-1335241865.jpg | + | = Overview = |
| + | * 13212-H0112 GUIDE-VALVE INTAKE $8.08 | ||
| + | * 13213-H0113 GUIDE-VALVE EXHAUST $8.25 | ||
| + | The original guides (13212-H0110) were bronze. Someone said the newer part numbers are "steel" with improved wear characteristics. | ||
| + | |||
| + | [http://datsun1200.com/modules/myalbum/photo.php?lid=22803 http://datsun1200.com/uploads/photos/22803.jpg] | ||
| + | |||
| + | = Inspection = | ||
| With the valve off the seat, move the valve side-to-side parallel with rocker arm. | With the valve off the seat, move the valve side-to-side parallel with rocker arm. | ||
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| * At the valve stem end, 7.9 thousands (0.0079 inch) | * At the valve stem end, 7.9 thousands (0.0079 inch) | ||
| * At the valve head, 1.2 thousands (0.0012 inch) | * At the valve head, 1.2 thousands (0.0012 inch) | ||
| + | |||
| + | Also see: [[Valve_Seals#Remove_Valve_Springs|Valve Spring Removal]] | ||
| + | |||
| + | [[Category:Engine Mechanical]] | ||
Current revision
They have a little snap ring to limit the depth inserted in into the head.
[edit]
Overview
* 13212-H0112 GUIDE-VALVE INTAKE $8.08 * 13213-H0113 GUIDE-VALVE EXHAUST $8.25
The original guides (13212-H0110) were bronze. Someone said the newer part numbers are "steel" with improved wear characteristics.
[edit]
Inspection
With the valve off the seat, move the valve side-to-side parallel with rocker arm.
The service specification (maximum allowed play) is:
- At the valve stem end, 7.9 thousands (0.0079 inch)
- At the valve head, 1.2 thousands (0.0012 inch)
Also see: Valve Spring Removal