How to service and repair the timing chain on GMC Safari?

Begin the Timing Chain servicing by putting the crankshaft balancer key in the keyway while making sure the key runs parallel to the crankshaft and a minimal incline exists. Use the j 5590 installer (J 5590) to position the keyway of the crankshaft sprocket correctly with the crankshaft balancer key before installation. First position the crankshaft at 12 o'clock mark so you can install the camshaft sprocket that should be aligned at 6 o'clock position followed by the installation of the camshaft Timing Chain. Check that the crankshaft sprocket points straight up at 12 o'clock and the camshaft sprocket faces downward at 6 o'clock. Using a hammer when installing the camshaft sprocket onto the camshaft can dislodge the expansion cup plug in the camshaft rear bearing hole therefore this method should be avoided. Secure the camshaft sprocket bolts with specifications setting torque at 25 nm (18 ft. Lbs.). Begin by positioning the keyway of the reluctor ring with the balancer key of the crankshaft. Then use tool j5590 to push the ring onto the crankshaft until it reaches the sprocket completely.

OEM GMC Safari Timing Chain

Engine Timing Chain

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3 Timing Chains found

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GMC Safari Timing Chain Part Number: 14087014
$55.75 MSRP: $94.91
You Save: $39.16 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Chain, Engine Timing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1994 GMC Safari | Base, GT, SL, SLE, SLT, SLX | 6 Cyl 4.3 L GAS
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GMC Safari Timing Chain Part Number: 12458911
$56.00 MSRP: $87.74
You Save: $31.74 (37%)
ADD TO CART
Product Specifications
- Other Name: Chain Kit, Engine Timing; Timing Gear Set; Timing Drive Package
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 GMC Safari | Base, SL, SLE, SLT | 6 Cyl 4.3 L GAS
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GMC Safari Timing Chain Part Number: 10128485
$43.02 MSRP: $64.53
You Save: $21.51 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Chain, Engine Timing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1999 GMC Safari | Base, GT, SL, SLE, SLT, SLX | 6 Cyl 4.3 L GAS

GMC Safari Timing Chain

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The GMC Safari has been widely known to have good reliability and performance probably caused by the Timing Chain system that is very vital in determining camshaft and crankshaft rotation for the best valve timing. The metal Timing Chain is preferred over rubber belts as it is long-lasting and less likely to wear out and thus fail. This is especially the case in the GMC Safari for anything like lubrication problems or tensioner failure can warrant rattling sounds thus the need for repair. The gmc safari is a series of full-size vans manufactured by GMC for model years 1985- 2005 and various models of Safari vans are used for passenger and cargo purposes. The car has rear-wheel drive configuration and pickup truck underpinnings which improve towing agility and make the Sunny reliable for many of its buyers. The Timing Chain is also among the parts that prevent the GMC Safari from being inefficient or a safety hazard due to a poorly running engine. Choices available for the GMC Safari span a 2.5 L four-cylinder engine up to an impressive 4.3 L V6, although throttle body fuel injection was not added until 1986. With the sophisticated featured Timing Chain and other fundamental engineering plus the looks of it, GMC Safari set its mark in the automotive industry; thus rendering the vehicle as one of the best options for those in search of a reliable and maneuverable vehicle for their everyday needs. In general, the GMC Safari's Timing Chain is one of the splendid features which depict its long-standing tradition of commitment, faith, and performance.

GMC Safari Timing Chain Parts and Q&A

Timing Chain
12458911
Q: How to service and repair the timing chain on GMC Safari?
A:
Begin the Timing Chain servicing by putting the crankshaft balancer key in the keyway while making sure the key runs parallel to the crankshaft and a minimal incline exists. Use the j 5590 installer (J 5590) to position the keyway of the crankshaft sprocket correctly with the crankshaft balancer key before installation. First position the crankshaft at 12 o'clock mark so you can install the camshaft sprocket that should be aligned at 6 o'clock position followed by the installation of the camshaft Timing Chain. Check that the crankshaft sprocket points straight up at 12 o'clock and the camshaft sprocket faces downward at 6 o'clock. Using a hammer when installing the camshaft sprocket onto the camshaft can dislodge the expansion cup plug in the camshaft rear bearing hole therefore this method should be avoided. Secure the camshaft sprocket bolts with specifications setting torque at 25 nm (18 ft. Lbs.). Begin by positioning the keyway of the reluctor ring with the balancer key of the crankshaft. Then use tool j5590 to push the ring onto the crankshaft until it reaches the sprocket completely.