mazda tribute 2004 timing mark camshaft and cranck
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Filed Under (Ford) by admin on 08-03-2011
Checking Timing An access plug is provided in the cam drive belt cover so that camshaft timing can be checked without removal of the cover or any other parts. 1. Remove the access plug from the cam drive belt cover. 2. Rotate the crankshaft so that the No. 1 piston is rising on compression stroke. 3. Set the crankshaft to TDC by aligning the timing mark on the crank pulley with the TC mark on the belt cover. Always turn the engine in the direction of normal rotation (clockwise, as viewed from the front). Backward rotation may cause the timing belt to jump time, due to the arrangement of the belt tensioner. 4. Look through the access hole in the belt cover to make sure that the timing mark on the cam drive sprocket is lined up with the pointer on the inner belt cover. 5. Install the belt cover access plug. Adjusting Timing Belt SPECIAL SERVICE TOOL(S) REQUIRED Description Crankshaft Belt Tension Adjusting Tool T74P-6254-A 1. Remove the outer timing belt cover as outlined in this section. CAUTION: Attempting to adjust timing belt tension without loosening spring pivot bolt will break Crankshaft Belt Tension Adjusting Tool T74P-6254-A when relieving tension on the belt. 2. If belt timing or tension is incorrect, loosen timing belt spring pivot bolt. 3. Hold tensioner with Camshaft Belt Tension Adjusting Tool T74P-6254-A. 4. While holding tensioner, loosen adjusting bolt and gradually release spring tension. Loosening Timing Belt Tensioner, 2.3L Tool Number 8 — 5. Using adjusting tool, pry tensioner away from belt. While holding, tighten adjusting bolt. There should be no tension on belt. Camshaft Timing Belt, 2.3L I-4 Timing Mark on Camshaft Sprocket Remove the bolts holding the crankshaft position sensor in place and pull the sensor assembly free of the dowel pin. 7. Remove the crankshaft pulley , crankshaft pulley hub and timing belt guide. 8. Remove the drive belt and inspect it for wear or damage. If the belt is damaged, replace it. 9. Remove one spark plug from each cylinder. 10. If not done: a. Loosen tensioner adjusting bolt. b. Using Camshaft Belt Tension Adjusting Tool T74P-6254-A, pry tensioner clockwise against spring tension as far as possible. c. Tighten adjusting bolt to hold tensioner in released position. 11. Align crankshaft so number one piston is at TDC (top dead center) as indicated by timing mark. 12. Line up camshaft sprocket timing mark with inner timing belt cover timing mark and key is pointing down.
Filed Under (Chevrolet) by admin on 10-08-2010
T] EXHAUST CAMSHAFT (RIGHT) T| INTAKE CAMSHAFT (RIGHT) T] SECONDARY TIMING BELT IDLER PULLEYS T) INTAKE CAMSHAFT (LEFT) 7] EXHAUST CAMSHAFT (LEFT) T] COOLANT PUMP T] INTERMEDIATE SHAFT BELT SPROCKET T] SERPENTINE BELT TENSIONER T| SECONDARY TIMING BELT TENSIONER PULLEY ??] GENERATOR ??] SECONDARY TIMING BELT TENSIONER ?2? SECONDARY TIMING BELT NOTE: START AT #7 AND INSTALL COUNTERCLOCIOMBE A LOCATION OF TIMING MARKS WITH CAM HOLD DOWN TOOLS J 38813 INSTALLED B FRONT COVER TIMING MARK C LOCATION OF TIMINS MARKS WITH DRIVE BELT IN- STALLED D LOCATION WHERE CAM HOLD DOWN TOOLS ARE INSTALLED RH EXHAUST CAMSHAFT SPROCKET RH INTAKE CAMSHAFT SPROCKET LH INTAKE CAMSHAFT SPROCKET LH EXHAUST CAMSHAFT SPROCKET PERMANENT MARKS PAINTED DOTS REMOVE PREVIOUS MARKS IF TIMING IS BEINS CHANGED AND MARK AGAIN IN THESE LOCATIONS TORSIONAL DAMPER INTERMEDIATE SHAFT SPROCKET NOTE: THIS TDC #1 EXHAUST. INTtRMEDlATE »HAFT BELT sprocket twno mark» at » o’clock (powtmo towards drain notch) NOTE : GM does not provide a timing mark diagram for belt installation without using the special tool(s) listed below. TOOLS REQUIRED: A J 38613 CamHold Down Tool A J 38614 Cam Sprocket Holding Tool NOTICE: If only one (1) bank is to be timed, make sure bank to bank earn timing relationship is one (1) revolution apart. Timing flats should be 180 degrees opposite (right bank versus left bank) when finally timed. 1. Remove all spark plugs. 2. Remove all camshaft sprockets. IMPORTANT: Remove oil from cam hold down tool bolt hole in carrier before installing and tightening bolt. 3. Rotate camshaft flats “up” and install J 38613. Tighten cam hold down tool bolt to 30 Nm (22 lb. ft). 4. Install all camshaft sprockets. 5. Timing belt by routing it around the idlers and sprockets. DO NOT bend, kink, or pry on belt as damage may occur. A. Start at intermediate cam sprocket and work counterclockwise. B. Make sure the belt is installed in direction of rotation. C. Engage teeth into all sprockets, place rubber hose behind belt at intermediate sprocket and accumulate slack at tensioner location. 6. Tensioner pulley to mounting base. A Use flat magnet, tape or cup plug to hold pivot tube in pulley during this step. Otherwise, pivot tube may fall out. A After starting pivot bolt, rotate arm counterclockwise to position square lug at 6 o’clock
Filed Under (Cadillac) by admin on 21-09-2010
Primary Camshaft Drive Chain and Sprockets Replacement Removal Procedure 1. Remove the spark plugs in order to ease crankshaft/engine rotation. 2. Remove the engine front cover. 3. Remove the right bank secondary camshaft drive chain tensioner. 4. Remove the right bank secondary camshaft drive chain shoe. 5. Remove the right bank secondary camshaft drive chain guide. 6. Remove the right bank secondary camshaft drive chain. 7. Remove the primary camshaft drive chain tensioner. 8. Remove the primary camshaft drive chain upper guide. Primary Camshaft Drive Chain Guide Removal – Upper. 9. Remove the primary camshaft timing chain. Installation Procedure 1. 2. 3. 4. 5. 6. 7. 8. 9. Install the primary camshaft timing chain. Install the primary upper camshaft drive chain guide. Install the primary camshaft drive chain tensioner. Install the right bank secondary camshaft drive chain. Install the right bank secondary camshaft drive chain guide. Install the right bank secondary camshaft drive chain shoe. Install the right bank secondary camshaft drive chain tensioner. Install the spark plugs. Install the engine front cover.
Filed Under (Nissan) by admin on 22-11-2010
APPLIED VEHICLES: 2004-2008 Maxima (A34) 2004-2006 Altima (L31) with VQ35 engine ONLY 2004-2009 Quest (V42) IF YOU CONFIRM: There is a high frequency buzzing / whining noise coming from the secondary timing chain system. • The noise should increase in frequency with engine speed (RPM). • If the noise does not increase with engine speed, the timing chain system may not be the cause. Refer to the appropriate section of the Electronic Service Manual (ESM) for further diagnosis. ACTION: 1. Replace both secondary timing chains and both secondary timing chain tensioner “shoes” with the ones from the PARTS INFORMATION section of this bulletin (on Page 2). 2. Change the engine oil and filter. 3. For repair procedure, refer to the SERVICE PROCEDURE section of this bulletin (starting on Page 3). SERVICE PROCEDURE Write down all radio station presets. 2. Disconnect both battery cables, negative cable first. 3. Remove the secondary timing chains. Refer to the Electronic Service Manual (ESM) if needed. NOTE: It is not necessary to remove the valve covers or intake collector. • Before removing the crankshaft pulley, set it to 0° Top Dead Center (TDC). • Use Tool J-50288 to secure the flywheel / flex plate when removing the crankshaft pulley and camshaft sprockets (no picture shown). NOTE: The camshaft sprockets’ bolts will be removed and installed while being held by all three (3) timing chains. • If the crankshaft is determined to be 360° off from 0° TDC on #1 cylinder compression stroke after removing the front timing chain case (front cover), put the crankshaft pulley back on, and then rotate the crankshaft 360° (when camshaft and crankshaft sprocket mating marks are aligned). • Use the chain tensioner pins (pin) from Tool Kit J-50246 to hold all 4. Remove the chain tensioner plungers. three (3) Secondary Timing Chain Tensioner 1 shows a pin by evenly prying Figure Shoes (shoe) used on B2 with a couple pocket screwdrivers or tensioner. suitable tool where shown in Figure 1. NOTE: The primary timing chain will be reused. If the original markings are not legible, it is recommended to NOTE: Leave the pins from Tool mark this chain tensioner sprockets J-50246 in eachto all three until the with “white-out” or suitable timing chains are installed. marking before removing. 4. Remove the Secondary Timing Chain Tensioner Shoes (shoe) by evenly prying with a couple pocket to the tensioners 5. Install the new shoesscrewdrivers or suitable tools where shown in Figure 2. with Tool J-50246 (see Figure 2). NOTE: Leave the pins from Tool J-50246 in each tensioner until Tighten the bolt until installed. the timing chains are the shoe is fully seated. • CAUTION: Tighten the bolt no more than necessary.
Filed Under (Dodge) by admin on 26-08-2010
4. Align crankshaft sprocket timing mark to the mark on oil pump housing (Fig. 122). NOTE: Lubricate timing chain and guides with engine oil before installation. 5. Place left side primary chain sprocket onto the chain so that the timing mark is located in-between the two (plated) timing links (Fig. 122). 6. Lower the primary chain with left side sprocket through the left cylinder head opening. NOTE: The camshaft sprockets can be allowed to float on the camshaft hub during installation 1 – CAMSHAFT TIMING MARKS 2 ? CHAIN GUIDE 3 – CRANKSHAFT TIMING MARKS 4 – CRANKSHAFT SPROCKET 5 – CHAIN TENSKJNER ARM 6 – CHAIN TENSIONER 7 – CAMSHAFT TIMING MARK 8 – INTAKE CAMSHAFT SPROCKETS 9 – CHAIN GUIDES 10 – WATER PUMP SPROCKET 7. Loosely position left side camshaft sprocket over camshaft hub. 8. Align timing (plated) link tq the crankshaft sprocket timing mark (Fig. 122). 9. Position primary chain onto water pump drive sprocket. 10. Align right camshaft sprocket timing mark to the timing (plated) link on the timing chain (Fig. 122) and loosely position over camshaft hub. 11. Verify that all chain timing (plated) links are properly aligned to the timing marks on all sprockets (Fig. 122). 12. Install left side lower chain guide and tensioner arm (Fig. 120). Tighten attaching bolts to 28 Nm (250 in. lbs.). NOTE: Inspect oil ring on chain guide access plug before installing. Replace O-ring as necessary. 13. Install chain guide access plug to left side cylinder head (Fig. 120). Tighten plug to 20 Nm (15 ft lbs.)