{"id":2381,"date":"2023-11-08T20:33:46","date_gmt":"2023-11-08T20:33:46","guid":{"rendered":"https:\/\/mbci.mackuz.ovh\/?p=2381"},"modified":"2023-11-08T20:33:46","modified_gmt":"2023-11-08T20:33:46","slug":"removal-and-installation-of-valve-springs","status":"publish","type":"post","link":"https:\/\/mbci.mackuz.ovh\/index.php\/2023\/11\/08\/removal-and-installation-of-valve-springs\/","title":{"rendered":"Removal and installation of valve springs"},"content":{"rendered":"

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05\u2014250 Removal and installation of valve springs<\/strong><\/div>\n<\/div>\n<\/td>\n
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Valve clearance<\/strong><\/div>\n<\/div>\n<\/td>\n
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Cold engine (ca. 20 \u00b0C)<\/div>\n<\/div>\n<\/td>\n
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Warm engine (60 \u00b0C \u00b1 15\u00b0C)<\/div>\n<\/div>\n<\/td>\n
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Intake<\/div>\n<\/div>\n<\/td>\n
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0.101<\/sup><\/div>\n<\/div>\n<\/td>\n
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0.151<\/sup><\/div>\n<\/div>\n<\/td>\n
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Exhaust<\/div>\n<\/div>\n<\/td>\n
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0.25<\/div>\n<\/div>\n<\/td>\n
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0.30<\/div>\n<\/div>\n<\/td>\n
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0.05 mm more for consistent outside temperatures below \u201420 \u00b0C.<\/div>\n<\/div>\n<\/td>\n
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Tightening torques<\/strong><\/div>\n<\/div>\n<\/td>\n
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Nm<\/div>\n<\/div>\n<\/td>\n
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Cylinder head bolts M 12 x 1.5<\/div>\n<\/div>\n<\/td>\n
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100<\/div>\n<\/div>\n<\/td>\n
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M 8 bolts for camshaft housing<\/div>\n<\/div>\n<\/td>\n
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25<\/div>\n<\/div>\n<\/td>\n
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Mounting bolts for camshaft sprockets<\/div>\n<\/div>\n<\/td>\n
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80<\/div>\n<\/div>\n<\/td>\n
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Ball locating ring in chain tensioner<\/div>\n<\/div>\n<\/td>\n
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25<\/strong><\/div>\n<\/div>\n<\/td>\n
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Cylinder head cover bolts and capped nuts<\/div>\n<\/div>\n<\/td>\n
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5<\/strong><\/div>\n<\/div>\n<\/td>\n
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Special tools<\/strong><\/div>\n<\/div>\n<\/td>\n
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Rail to hold down valve springs<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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110 589 06 62 00<\/div>\n<\/div>\n<\/td>\n
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<\/td>\nhttps:\/\/mbci.mackuz.ovh\/<\/p>\n
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Magnetic lifter for valve collets<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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116 589 06 63 00<\/div>\n<\/div>\n<\/td>\n
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Depressor for valve spring<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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110 589 04 61 00<\/div>\n<\/div>\n<\/td>\n
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Chain tensioner holder<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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110 589 02 31 00<\/div>\n<\/div>\n<\/td>\n
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Impact extractor for bearing pin (basic unit)<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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116 589 20 33 00<\/div>\n<\/div>\n<\/td>\n
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M 6 x 50 bolt for impact extractor<\/div>\n<\/div>\n<\/td>\n
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116 589 01 34 00<\/div>\n<\/div>\n<\/td>\n
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Valve adjusting wrench 17 mm, 1\/2″ square<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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110 <\/strong>589 00 01 00<\/div>\n<\/div>\n<\/td>\n
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Wrench socket 27 mm, 1\/2″ square to turn engine<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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001 589 65 09 00<\/div>\n<\/div>\n<\/td>\n
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05.2-250\/1 F3<\/div>\n<\/div>\n<\/td>\n
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Wrench socket 10 mm 1\/2″ square, 140 mm long<\/div>\n<\/div>\n<\/td>\n
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11C 01 – 615 2<\/em><\/strong><\/div>\n<\/div>\n<\/td>\n
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000 589 05 07 00<\/div>\n<\/div>\n<\/td>\n
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Conventional tool<\/strong><\/div>\n<\/div>\n<\/td>\n
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Cylinder leak tester<\/div>\n<\/div>\n<\/td>\n
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e.g. e.g.<\/strong><\/div>\n<\/div>\n<\/td>\n
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made by Bosch EFAW 210 A made by SUN CLT 228<\/div>\n<\/div>\n<\/td>\n
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Removal<\/strong><\/div>\n<\/div>\n<\/td>\n
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1\u00a0 \u00a0 Remove camshaft housing (01\u2014470).<\/div>\n
2\u00a0 \u00a0Remove pressure pads (8).<\/div>\n
3\u00a0 \u00a0Unscrew spark plug of respective cylinder and set piston to ignition TDC to prevent valves from dropping in.<\/div>\n<\/div>\n<\/td>\n
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05.2-250\/2 F3<\/div>\n<\/div>\n<\/td>\n
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4 Bolt hold-down rail to cylinder head.<\/div>\n<\/div>\n<\/td>\n
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5 Support valves with pneumatic air (cylinder leak tester).<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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6\u00a0 \u00a0Loosen valve collets by applying light knocks from a hammer to valve spring retainers.<\/div>\n
7\u00a0 \u00a0Press down valve spring retainer with removal and installation tool and remove valve collets with magnet\u00adic lifter.<\/div>\n
Attention!<\/strong><\/div>\n
Valves must not rest on piston skirt, since this could bend the valves.<\/div>\n
8\u00a0 \u00a0Remove valve spring retainer, outer and inner valve springs.<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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Installation<\/strong><\/div>\n<\/div>\n<\/td>\n
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9\u00a0 \u00a0Check valve springs and replace if necessary (05\u2014 260).<\/div>\n
10\u00a0 \u00a0 Replace valve stem seals (05-270).<\/div>\n
11\u00a0 \u00a0 Further installation in reverse sequence of remo\u00adval.<\/div>\n
Attention!<\/strong><\/div>\n
Install valve springs that tighter coil ends rest on roto-cap.<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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Valves and rocker arms<\/div>\n<\/div>\n<\/td>\n
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1 Spring clamp<\/div>\n<\/div>\n<\/td>\n
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10 Rotocap<\/div>\n<\/div>\n<\/td>\n
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2 Rocker arm<\/div>\n<\/div>\n<\/td>\n
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11 Exhaust valve stem seal<\/div>\n<\/div>\n<\/td>\n
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3 Adjusting screw<\/div>\n<\/div>\n<\/td>\n
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12 Intake valve stem seal<\/div>\n<\/div>\n<\/td>\n
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4 Threaded bushing with adjusting screw<\/div>\n<\/div>\n<\/td>\n
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13 Circlip<\/div>\n<\/div>\n<\/td>\n
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5 Pressure pad<\/div>\n<\/div>\n<\/td>\n
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14 Exhaust valve guide<\/div>\n<\/div>\n<\/td>\n
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6 Valve cone<\/div>\n<\/div>\n<\/td>\n
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15 Intake valve guide<\/div>\n<\/div>\n<\/td>\n
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7 Valve spring retainer<\/div>\n<\/div>\n<\/td>\n
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16 Exhaust valve insert<\/div>\n<\/div>\n<\/td>\n
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8 Outer valve spring<\/div>\n<\/div>\n<\/td>\n
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17 Intake valve insert<\/div>\n<\/div>\n<\/td>\n
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9 Inner valve spring<\/div>\n<\/div>\n<\/td>\n
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18 Exhaust valve<\/div>\n<\/div>\n<\/td>\n
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19 Intake valve<\/div>\n<\/div>\n<\/td>\n
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05.2-250\/3 F2<\/div>\n<\/div>\n<\/td>\n
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    05\u2014250 Removal and installation of valve springs   Valve clearance Cold engine (ca. 20 \u00b0C) Warm engine (60 \u00b0C \u00b1 15\u00b0C)   Intake 0.101 0.151   Exhaust 0.25 0.30   0.05 mm more for consistent outside temperatures below \u201420 \u00b0C.   Tightening torques Nm   Cylinder head bolts M 12 x 1.5 100 M 8 bolts for camshaft housing 25 Mounting bolts for camshaft sprockets 80 Ball locating ring in chain tensioner 25 Cylinder head cover bolts and capped nuts 5 Special tools     Rail to hold down valve springs 110 589 06 62 00 https:\/\/mbci.mackuz.ovh\/   Magnetic lifter for valve collets 116 589 06 63 00   Depressor for valve spring 110 589 04 61 00   Chain tensioner holder 110 589 02 31 00   Impact extractor for bearing pin (basic unit) 116 589 20 33 00   M 6 x 50 bolt for impact extractor 116 589 01 34 00   Valve adjusting wrench 17 mm, 1\/2″ square 110 589 00 01 00   Wrench socket 27 mm, 1\/2″ square to turn engine 001 589 65 09 00   05.2-250\/1 F3     \ufffc   Wrench socket 10 mm 1\/2″ square, 140 mm long 11C 01 – 615 2   000 589 05 07 00 Conventional tool       Cylinder leak tester   e.g. e.g. made by Bosch EFAW 210 A made by SUN CLT 228     Removal   1\u00a0 \u00a0 Remove camshaft housing (01\u2014470). 2\u00a0 \u00a0Remove pressure pads (8). 3\u00a0 \u00a0Unscrew spark plug of respective cylinder and set piston to ignition TDC to prevent valves from dropping in.   05.2-250\/2 F3       4 Bolt hold-down rail to cylinder head.   5 Support valves with pneumatic air (cylinder leak tester).   6\u00a0 \u00a0Loosen valve collets by applying light knocks from a hammer to valve spring retainers. 7\u00a0 \u00a0Press down valve spring retainer with removal and installation tool and remove valve collets with magnet\u00adic lifter. Attention! Valves must not rest on piston skirt, since this could bend the valves. 8\u00a0 \u00a0Remove valve spring retainer, outer and inner valve springs.   Installation   9\u00a0 \u00a0Check valve springs and replace if necessary (05\u2014 260). 10\u00a0 \u00a0 Replace valve stem seals (05-270). 11\u00a0 \u00a0 Further installation in reverse sequence of remo\u00adval. Attention! Install valve springs that tighter coil ends rest on roto-cap. Valves and rocker arms 1 Spring clamp 10 Rotocap 2 Rocker arm 11 Exhaust valve stem seal 3 Adjusting screw 12 Intake valve stem seal 4 Threaded bushing with adjusting screw 13 Circlip 5 Pressure pad 14 Exhaust valve guide 6 Valve cone 15 Intake valve guide 7 Valve spring retainer 16 Exhaust valve insert 8 Outer valve spring 17 Intake valve insert 9 Inner valve spring 18 Exhaust valve   19 Intake valve   05.2-250\/3 F2          <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[31,27],"tags":[],"class_list":["post-2381","post","type-post","status-publish","format-standard","hentry","category-engine-timing-valve-train","category-m110"],"aioseo_notices":[],"featured_image_src":null,"author_info":{"display_name":"mackuz","author_link":"https:\/\/mbci.mackuz.ovh\/index.php\/author\/mackuz\/"},"_links":{"self":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/comments?post=2381"}],"version-history":[{"count":1,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2381\/revisions"}],"predecessor-version":[{"id":2382,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2381\/revisions\/2382"}],"wp:attachment":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/media?parent=2381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/categories?post=2381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/tags?post=2381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}